Home / 57,974,448.90-87,129,634.95-56,966,679.30

Finding the Fourth Proportional to 57,974,448.90, 87,129,634.95 and 56,966,679.30

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Solution

The fourth proportional to 57,974,448.90, 87,129,634.95 and 56,966,679.30 is: 85,615,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974,448.90 : 87,129,634.95 = 56,966,679.30 : x
  2. Step 2: Convert to fraction form
    57,974,448.90/87,129,634.95 = 56,966,679.30/x
  3. Step 3: Cross multiply
    57,974,448.90x = 87,129,634.95 × 56,966,679.30
  4. Step 4: Simplify right side
    57,974,448.90x = 4,963,485,971,722,721
  5. Step 5: Solve for x
    x = 4,963,485,971,722,721/57,974,448.90
  6. Step 6: Final answer
    x = 85,615,060.87

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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.