Home / 147,032,983.31-220,573,432.33-43,412,663.21

Finding the Fourth Proportional to 147,032,983.31, 220,573,432.33 and 43,412,663.21

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Solution

The fourth proportional to 147,032,983.31, 220,573,432.33 and 43,412,663.21 is: 65,126,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,032,983.31 : 220,573,432.33 = 43,412,663.21 : x
  2. Step 2: Convert to fraction form
    147,032,983.31/220,573,432.33 = 43,412,663.21/x
  3. Step 3: Cross multiply
    147,032,983.31x = 220,573,432.33 × 43,412,663.21
  4. Step 4: Simplify right side
    147,032,983.31x = 9,575,680,129,604,616
  5. Step 5: Solve for x
    x = 9,575,680,129,604,616/147,032,983.31
  6. Step 6: Final answer
    x = 65,126,068.41

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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.