Home / 99,636,101.10-149,454,151.65-61,172,894.70

Finding the Fourth Proportional to 99,636,101.10, 149,454,151.65 and 61,172,894.70

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Solution

The fourth proportional to 99,636,101.10, 149,454,151.65 and 61,172,894.70 is: 91,759,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636,101.10 : 149,454,151.65 = 61,172,894.70 : x
  2. Step 2: Convert to fraction form
    99,636,101.10/149,454,151.65 = 61,172,894.70/x
  3. Step 3: Cross multiply
    99,636,101.10x = 149,454,151.65 × 61,172,894.70
  4. Step 4: Simplify right side
    99,636,101.10x = 9,142,543,081,363,282
  5. Step 5: Solve for x
    x = 9,142,543,081,363,282/99,636,101.10
  6. Step 6: Final answer
    x = 91,759,342.05

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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.