Home / 86,516,652,835.80-129,671,667,123.30-36,151,989,265.80

Finding the Fourth Proportional to 86,516,652,835.80, 129,671,667,123.30 and 36,151,989,265.80

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Solution

The fourth proportional to 86,516,652,835.80, 129,671,667,123.30 and 36,151,989,265.80 is: 54,184,813,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,516,652,835.80 : 129,671,667,123.30 = 36,151,989,265.80 : x
  2. Step 2: Convert to fraction form
    86,516,652,835.80/129,671,667,123.30 = 36,151,989,265.80/x
  3. Step 3: Cross multiply
    86,516,652,835.80x = 129,671,667,123.30 × 36,151,989,265.80
  4. Step 4: Simplify right side
    86,516,652,835.80x = 4,687,888,717,919,932,645,376
  5. Step 5: Solve for x
    x = 4,687,888,717,919,932,645,376/86,516,652,835.80
  6. Step 6: Final answer
    x = 54,184,813,723.86

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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.