Home / 185,786,190.30-278,679,285.45-124,564,187.10

Finding the Fourth Proportional to 185,786,190.30, 278,679,285.45 and 124,564,187.10

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Solution

The fourth proportional to 185,786,190.30, 278,679,285.45 and 124,564,187.10 is: 186,846,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786,190.30 : 278,679,285.45 = 124,564,187.10 : x
  2. Step 2: Convert to fraction form
    185,786,190.30/278,679,285.45 = 124,564,187.10/x
  3. Step 3: Cross multiply
    185,786,190.30x = 278,679,285.45 × 124,564,187.10
  4. Step 4: Simplify right side
    185,786,190.30x = 34,713,458,653,688,104
  5. Step 5: Solve for x
    x = 34,713,458,653,688,104/185,786,190.30
  6. Step 6: Final answer
    x = 186,846,280.65

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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.