Home / 191,674,158.75-287,396,158.19-87,913,387.17

Finding the Fourth Proportional to 191,674,158.75, 287,396,158.19 and 87,913,387.17

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Solution

The fourth proportional to 191,674,158.75, 287,396,158.19 and 87,913,387.17 is: 131,817,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,674,158.75 : 287,396,158.19 = 87,913,387.17 : x
  2. Step 2: Convert to fraction form
    191,674,158.75/287,396,158.19 = 87,913,387.17/x
  3. Step 3: Cross multiply
    191,674,158.75x = 287,396,158.19 × 87,913,387.17
  4. Step 4: Simplify right side
    191,674,158.75x = 25,265,969,725,688,472
  5. Step 5: Solve for x
    x = 25,265,969,725,688,472/191,674,158.75
  6. Step 6: Final answer
    x = 131,817,298.12

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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.