Home / 117,869,761.20-176,884,358.10-66,054,263.70

Finding the Fourth Proportional to 117,869,761.20, 176,884,358.10 and 66,054,263.70

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Solution

The fourth proportional to 117,869,761.20, 176,884,358.10 and 66,054,263.70 is: 99,126,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869,761.20 : 176,884,358.10 = 66,054,263.70 : x
  2. Step 2: Convert to fraction form
    117,869,761.20/176,884,358.10 = 66,054,263.70/x
  3. Step 3: Cross multiply
    117,869,761.20x = 176,884,358.10 × 66,054,263.70
  4. Step 4: Simplify right side
    117,869,761.20x = 11,683,966,034,342,632
  5. Step 5: Solve for x
    x = 11,683,966,034,342,632/117,869,761.20
  6. Step 6: Final answer
    x = 99,126,068.60

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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.