Home / 181,656,352.22-251,013,683.18-129,354,586.61

Finding the Fourth Proportional to 181,656,352.22, 251,013,683.18 and 129,354,586.61

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Solution

The fourth proportional to 181,656,352.22, 251,013,683.18 and 129,354,586.61 is: 178,742,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656,352.22 : 251,013,683.18 = 129,354,586.61 : x
  2. Step 2: Convert to fraction form
    181,656,352.22/251,013,683.18 = 129,354,586.61/x
  3. Step 3: Cross multiply
    181,656,352.22x = 251,013,683.18 × 129,354,586.61
  4. Step 4: Simplify right side
    181,656,352.22x = 32,469,771,220,555,640
  5. Step 5: Solve for x
    x = 32,469,771,220,555,640/181,656,352.22
  6. Step 6: Final answer
    x = 178,742,834.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.