Home / 65,710,002.06-90,707,724.86-40,942,425.87

Finding the Fourth Proportional to 65,710,002.06, 90,707,724.86 and 40,942,425.87

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Solution

The fourth proportional to 65,710,002.06, 90,707,724.86 and 40,942,425.87 is: 56,517,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,710,002.06 : 90,707,724.86 = 40,942,425.87 : x
  2. Step 2: Convert to fraction form
    65,710,002.06/90,707,724.86 = 40,942,425.87/x
  3. Step 3: Cross multiply
    65,710,002.06x = 90,707,724.86 × 40,942,425.87
  4. Step 4: Simplify right side
    65,710,002.06x = 3,713,794,300,712,194
  5. Step 5: Solve for x
    x = 3,713,794,300,712,194/65,710,002.06
  6. Step 6: Final answer
    x = 56,517,945.28

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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.