Home / 89,886,993.28-124,008,755.18-52,203,742.16

Finding the Fourth Proportional to 89,886,993.28, 124,008,755.18 and 52,203,742.16

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Solution

The fourth proportional to 89,886,993.28, 124,008,755.18 and 52,203,742.16 is: 72,020,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886,993.28 : 124,008,755.18 = 52,203,742.16 : x
  2. Step 2: Convert to fraction form
    89,886,993.28/124,008,755.18 = 52,203,742.16/x
  3. Step 3: Cross multiply
    89,886,993.28x = 124,008,755.18 × 52,203,742.16
  4. Step 4: Simplify right side
    89,886,993.28x = 6,473,721,080,118,222
  5. Step 5: Solve for x
    x = 6,473,721,080,118,222/89,886,993.28
  6. Step 6: Final answer
    x = 72,020,665.55

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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.