Home / 198,325,981.80-297,488,972.70-62,025,143.40

Finding the Fourth Proportional to 198,325,981.80, 297,488,972.70 and 62,025,143.40

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Solution

The fourth proportional to 198,325,981.80, 297,488,972.70 and 62,025,143.40 is: 93,037,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,325,981.80 : 297,488,972.70 = 62,025,143.40 : x
  2. Step 2: Convert to fraction form
    198,325,981.80/297,488,972.70 = 62,025,143.40/x
  3. Step 3: Cross multiply
    198,325,981.80x = 297,488,972.70 × 62,025,143.40
  4. Step 4: Simplify right side
    198,325,981.80x = 18,451,796,191,636,184
  5. Step 5: Solve for x
    x = 18,451,796,191,636,184/198,325,981.80
  6. Step 6: Final answer
    x = 93,037,715.10

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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.