Home / 83,805,767.64-125,671,997.34-42,281,089.28

Finding the Fourth Proportional to 83,805,767.64, 125,671,997.34 and 42,281,089.28

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Solution

The fourth proportional to 83,805,767.64, 125,671,997.34 and 42,281,089.28 is: 63,403,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,805,767.64 : 125,671,997.34 = 42,281,089.28 : x
  2. Step 2: Convert to fraction form
    83,805,767.64/125,671,997.34 = 42,281,089.28/x
  3. Step 3: Cross multiply
    83,805,767.64x = 125,671,997.34 × 42,281,089.28
  4. Step 4: Simplify right side
    83,805,767.64x = 5,313,548,939,528,463
  5. Step 5: Solve for x
    x = 5,313,548,939,528,463/83,805,767.64
  6. Step 6: Final answer
    x = 63,403,141.44

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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.