Home / 98,429,355.35-135,836,395.16-56,613,353.57

Finding the Fourth Proportional to 98,429,355.35, 135,836,395.16 and 56,613,353.57

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Solution

The fourth proportional to 98,429,355.35, 135,836,395.16 and 56,613,353.57 is: 78,128,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429,355.35 : 135,836,395.16 = 56,613,353.57 : x
  2. Step 2: Convert to fraction form
    98,429,355.35/135,836,395.16 = 56,613,353.57/x
  3. Step 3: Cross multiply
    98,429,355.35x = 135,836,395.16 × 56,613,353.57
  4. Step 4: Simplify right side
    98,429,355.35x = 7,690,153,866,414,455
  5. Step 5: Solve for x
    x = 7,690,153,866,414,455/98,429,355.35
  6. Step 6: Final answer
    x = 78,128,662.32

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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.