Home / 90,288,484.94-124,605,793.50-51,137,226.56

Finding the Fourth Proportional to 90,288,484.94, 124,605,793.50 and 51,137,226.56

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Solution

The fourth proportional to 90,288,484.94, 124,605,793.50 and 51,137,226.56 is: 70,573,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,484.94 : 124,605,793.50 = 51,137,226.56 : x
  2. Step 2: Convert to fraction form
    90,288,484.94/124,605,793.50 = 51,137,226.56/x
  3. Step 3: Cross multiply
    90,288,484.94x = 124,605,793.50 × 51,137,226.56
  4. Step 4: Simplify right side
    90,288,484.94x = 6,371,994,692,898,076
  5. Step 5: Solve for x
    x = 6,371,994,692,898,076/90,288,484.94
  6. Step 6: Final answer
    x = 70,573,724.85

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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.