Home / 115,586,761.68-159,516,897.48-64,078,537.68

Finding the Fourth Proportional to 115,586,761.68, 159,516,897.48 and 64,078,537.68

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Solution

The fourth proportional to 115,586,761.68, 159,516,897.48 and 64,078,537.68 is: 88,432,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,586,761.68 : 159,516,897.48 = 64,078,537.68 : x
  2. Step 2: Convert to fraction form
    115,586,761.68/159,516,897.48 = 64,078,537.68/x
  3. Step 3: Cross multiply
    115,586,761.68x = 159,516,897.48 × 64,078,537.68
  4. Step 4: Simplify right side
    115,586,761.68x = 10,221,609,525,768,876
  5. Step 5: Solve for x
    x = 10,221,609,525,768,876/115,586,761.68
  6. Step 6: Final answer
    x = 88,432,354.86

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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.