Home / 85,159,966.97-127,739,937.36-20,463,772.77

Finding the Fourth Proportional to 85,159,966.97, 127,739,937.36 and 20,463,772.77

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Solution

The fourth proportional to 85,159,966.97, 127,739,937.36 and 20,463,772.77 is: 30,695,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159,966.97 : 127,739,937.36 = 20,463,772.77 : x
  2. Step 2: Convert to fraction form
    85,159,966.97/127,739,937.36 = 20,463,772.77/x
  3. Step 3: Cross multiply
    85,159,966.97x = 127,739,937.36 × 20,463,772.77
  4. Step 4: Simplify right side
    85,159,966.97x = 2,614,041,051,865,812.50
  5. Step 5: Solve for x
    x = 2,614,041,051,865,812.50/85,159,966.97
  6. Step 6: Final answer
    x = 30,695,656.01

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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.