Home / 91,754,937.40-137,632,406.10-31,170,663.40

Finding the Fourth Proportional to 91,754,937.40, 137,632,406.10 and 31,170,663.40

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Solution

The fourth proportional to 91,754,937.40, 137,632,406.10 and 31,170,663.40 is: 46,755,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754,937.40 : 137,632,406.10 = 31,170,663.40 : x
  2. Step 2: Convert to fraction form
    91,754,937.40/137,632,406.10 = 31,170,663.40/x
  3. Step 3: Cross multiply
    91,754,937.40x = 137,632,406.10 × 31,170,663.40
  4. Step 4: Simplify right side
    91,754,937.40x = 4,290,093,403,475,206.50
  5. Step 5: Solve for x
    x = 4,290,093,403,475,206.50/91,754,937.40
  6. Step 6: Final answer
    x = 46,755,995.10

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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.