Home / 65,287,849.70-97,819,800.15-31,135,657.70

Finding the Fourth Proportional to 65,287,849.70, 97,819,800.15 and 31,135,657.70

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Solution

The fourth proportional to 65,287,849.70, 97,819,800.15 and 31,135,657.70 is: 46,650,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,849.70 : 97,819,800.15 = 31,135,657.70 : x
  2. Step 2: Convert to fraction form
    65,287,849.70/97,819,800.15 = 31,135,657.70/x
  3. Step 3: Cross multiply
    65,287,849.70x = 97,819,800.15 × 31,135,657.70
  4. Step 4: Simplify right side
    65,287,849.70x = 3,045,683,813,752,809
  5. Step 5: Solve for x
    x = 3,045,683,813,752,809/65,287,849.70
  6. Step 6: Final answer
    x = 46,650,086.16

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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.