Home / 121,767,815.92-182,623,773.96-72,597,582.40

Finding the Fourth Proportional to 121,767,815.92, 182,623,773.96 and 72,597,582.40

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Solution

The fourth proportional to 121,767,815.92, 182,623,773.96 and 72,597,582.40 is: 108,879,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,767,815.92 : 182,623,773.96 = 72,597,582.40 : x
  2. Step 2: Convert to fraction form
    121,767,815.92/182,623,773.96 = 72,597,582.40/x
  3. Step 3: Cross multiply
    121,767,815.92x = 182,623,773.96 × 72,597,582.40
  4. Step 4: Simplify right side
    121,767,815.92x = 13,258,044,478,260,076
  5. Step 5: Solve for x
    x = 13,258,044,478,260,076/121,767,815.92
  6. Step 6: Final answer
    x = 108,879,709.95

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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.