Home / 191,685,281.70-287,527,922.55-76,752,308.10

Finding the Fourth Proportional to 191,685,281.70, 287,527,922.55 and 76,752,308.10

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Solution

The fourth proportional to 191,685,281.70, 287,527,922.55 and 76,752,308.10 is: 115,128,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,685,281.70 : 287,527,922.55 = 76,752,308.10 : x
  2. Step 2: Convert to fraction form
    191,685,281.70/287,527,922.55 = 76,752,308.10/x
  3. Step 3: Cross multiply
    191,685,281.70x = 287,527,922.55 × 76,752,308.10
  4. Step 4: Simplify right side
    191,685,281.70x = 22,068,431,698,910,536
  5. Step 5: Solve for x
    x = 22,068,431,698,910,536/191,685,281.70
  6. Step 6: Final answer
    x = 115,128,462.15

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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.