Home / 119,859,155.84-165,376,870.08-72,815,288.96

Finding the Fourth Proportional to 119,859,155.84, 165,376,870.08 and 72,815,288.96

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Solution

The fourth proportional to 119,859,155.84, 165,376,870.08 and 72,815,288.96 is: 100,467,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859,155.84 : 165,376,870.08 = 72,815,288.96 : x
  2. Step 2: Convert to fraction form
    119,859,155.84/165,376,870.08 = 72,815,288.96/x
  3. Step 3: Cross multiply
    119,859,155.84x = 165,376,870.08 × 72,815,288.96
  4. Step 4: Simplify right side
    119,859,155.84x = 12,041,964,582,175,578
  5. Step 5: Solve for x
    x = 12,041,964,582,175,578/119,859,155.84
  6. Step 6: Final answer
    x = 100,467,623.84

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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.