Home / 191,777,117.30-287,335,001.55-89,331,038.90

Finding the Fourth Proportional to 191,777,117.30, 287,335,001.55 and 89,331,038.90

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Solution

The fourth proportional to 191,777,117.30, 287,335,001.55 and 89,331,038.90 is: 133,842,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,777,117.30 : 287,335,001.55 = 89,331,038.90 : x
  2. Step 2: Convert to fraction form
    191,777,117.30/287,335,001.55 = 89,331,038.90/x
  3. Step 3: Cross multiply
    191,777,117.30x = 287,335,001.55 × 89,331,038.90
  4. Step 4: Simplify right side
    191,777,117.30x = 25,667,934,200,794,612
  5. Step 5: Solve for x
    x = 25,667,934,200,794,612/191,777,117.30
  6. Step 6: Final answer
    x = 133,842,528.05

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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.