Home / 70,574,453.60-105,719,962.80-40,246,887.20

Finding the Fourth Proportional to 70,574,453.60, 105,719,962.80 and 40,246,887.20

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Solution

The fourth proportional to 70,574,453.60, 105,719,962.80 and 40,246,887.20 is: 60,289,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574,453.60 : 105,719,962.80 = 40,246,887.20 : x
  2. Step 2: Convert to fraction form
    70,574,453.60/105,719,962.80 = 40,246,887.20/x
  3. Step 3: Cross multiply
    70,574,453.60x = 105,719,962.80 × 40,246,887.20
  4. Step 4: Simplify right side
    70,574,453.60x = 4,254,899,417,599,796.50
  5. Step 5: Solve for x
    x = 4,254,899,417,599,796.50/70,574,453.60
  6. Step 6: Final answer
    x = 60,289,512.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.