Home / 151,415,766.36-209,023,508.88-88,683,158.52

Finding the Fourth Proportional to 151,415,766.36, 209,023,508.88 and 88,683,158.52

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Solution

The fourth proportional to 151,415,766.36, 209,023,508.88 and 88,683,158.52 is: 122,423,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,415,766.36 : 209,023,508.88 = 88,683,158.52 : x
  2. Step 2: Convert to fraction form
    151,415,766.36/209,023,508.88 = 88,683,158.52/x
  3. Step 3: Cross multiply
    151,415,766.36x = 209,023,508.88 × 88,683,158.52
  4. Step 4: Simplify right side
    151,415,766.36x = 18,536,864,972,411,668
  5. Step 5: Solve for x
    x = 18,536,864,972,411,668/151,415,766.36
  6. Step 6: Final answer
    x = 122,423,611.61

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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.