Home / 111,702,456.60-167,553,684.90-77,265,079.80

Finding the Fourth Proportional to 111,702,456.60, 167,553,684.90 and 77,265,079.80

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Solution

The fourth proportional to 111,702,456.60, 167,553,684.90 and 77,265,079.80 is: 115,897,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,456.60 : 167,553,684.90 = 77,265,079.80 : x
  2. Step 2: Convert to fraction form
    111,702,456.60/167,553,684.90 = 77,265,079.80/x
  3. Step 3: Cross multiply
    111,702,456.60x = 167,553,684.90 × 77,265,079.80
  4. Step 4: Simplify right side
    111,702,456.60x = 12,946,048,834,582,554
  5. Step 5: Solve for x
    x = 12,946,048,834,582,554/111,702,456.60
  6. Step 6: Final answer
    x = 115,897,619.70

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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.