Home / 118,459,010.20-177,793,491.30-69,876,117.40

Finding the Fourth Proportional to 118,459,010.20, 177,793,491.30 and 69,876,117.40

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Solution

The fourth proportional to 118,459,010.20, 177,793,491.30 and 69,876,117.40 is: 104,876,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,459,010.20 : 177,793,491.30 = 69,876,117.40 : x
  2. Step 2: Convert to fraction form
    118,459,010.20/177,793,491.30 = 69,876,117.40/x
  3. Step 3: Cross multiply
    118,459,010.20x = 177,793,491.30 × 69,876,117.40
  4. Step 4: Simplify right side
    118,459,010.20x = 12,423,518,871,034,680
  5. Step 5: Solve for x
    x = 12,423,518,871,034,680/118,459,010.20
  6. Step 6: Final answer
    x = 104,876,098.91

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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.