Home / 98,429,338.07-135,836,371.30-56,613,336.28

Finding the Fourth Proportional to 98,429,338.07, 135,836,371.30 and 56,613,336.28

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Solution

The fourth proportional to 98,429,338.07, 135,836,371.30 and 56,613,336.28 is: 78,128,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429,338.07 : 135,836,371.30 = 56,613,336.28 : x
  2. Step 2: Convert to fraction form
    98,429,338.07/135,836,371.30 = 56,613,336.28/x
  3. Step 3: Cross multiply
    98,429,338.07x = 135,836,371.30 × 56,613,336.28
  4. Step 4: Simplify right side
    98,429,338.07x = 7,690,150,167,461,842
  5. Step 5: Solve for x
    x = 7,690,150,167,461,842/98,429,338.07
  6. Step 6: Final answer
    x = 78,128,638.46

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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.