Home / 111,702,127.60-167,553,191.40-77,264,750.80

Finding the Fourth Proportional to 111,702,127.60, 167,553,191.40 and 77,264,750.80

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Solution

The fourth proportional to 111,702,127.60, 167,553,191.40 and 77,264,750.80 is: 115,897,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,127.60 : 167,553,191.40 = 77,264,750.80 : x
  2. Step 2: Convert to fraction form
    111,702,127.60/167,553,191.40 = 77,264,750.80/x
  3. Step 3: Cross multiply
    111,702,127.60x = 167,553,191.40 × 77,264,750.80
  4. Step 4: Simplify right side
    111,702,127.60x = 12,945,955,579,265,704
  5. Step 5: Solve for x
    x = 12,945,955,579,265,704/111,702,127.60
  6. Step 6: Final answer
    x = 115,897,126.20

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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.