Home / 100,218,854-138,299,666.28-58,968,418.16

Finding the Fourth Proportional to 100,218,854, 138,299,666.28 and 58,968,418.16

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Solution

The fourth proportional to 100,218,854, 138,299,666.28 and 58,968,418.16 is: 81,375,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,218,854 : 138,299,666.28 = 58,968,418.16 : x
  2. Step 2: Convert to fraction form
    100,218,854/138,299,666.28 = 58,968,418.16/x
  3. Step 3: Cross multiply
    100,218,854x = 138,299,666.28 × 58,968,418.16
  4. Step 4: Simplify right side
    100,218,854x = 8,155,312,552,587,491
  5. Step 5: Solve for x
    x = 8,155,312,552,587,491/100,218,854
  6. Step 6: Final answer
    x = 81,375,033.01

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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.