Home / 89,971,928,247.90-124,162,269,009.12-51,395,954,665.26

Finding the Fourth Proportional to 89,971,928,247.90, 124,162,269,009.12 and 51,395,954,665.26

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Solution

The fourth proportional to 89,971,928,247.90, 124,162,269,009.12 and 51,395,954,665.26 is: 70,926,993,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971,928,247.90 : 124,162,269,009.12 = 51,395,954,665.26 : x
  2. Step 2: Convert to fraction form
    89,971,928,247.90/124,162,269,009.12 = 51,395,954,665.26/x
  3. Step 3: Cross multiply
    89,971,928,247.90x = 124,162,269,009.12 × 51,395,954,665.26
  4. Step 4: Simplify right side
    89,971,928,247.90x = 6,381,438,349,128,548,483,072
  5. Step 5: Solve for x
    x = 6,381,438,349,128,548,483,072/89,971,928,247.90
  6. Step 6: Final answer
    x = 70,926,993,267.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.