Home / 127,406,246.10-191,109,369.15-69,876,287.70

Finding the Fourth Proportional to 127,406,246.10, 191,109,369.15 and 69,876,287.70

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Solution

The fourth proportional to 127,406,246.10, 191,109,369.15 and 69,876,287.70 is: 104,814,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,406,246.10 : 191,109,369.15 = 69,876,287.70 : x
  2. Step 2: Convert to fraction form
    127,406,246.10/191,109,369.15 = 69,876,287.70/x
  3. Step 3: Cross multiply
    127,406,246.10x = 191,109,369.15 × 69,876,287.70
  4. Step 4: Simplify right side
    127,406,246.10x = 13,354,013,260,890,906
  5. Step 5: Solve for x
    x = 13,354,013,260,890,906/127,406,246.10
  6. Step 6: Final answer
    x = 104,814,431.55

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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.