Home / 77,264,920.80-115,897,381.20-23,405,234.40

Finding the Fourth Proportional to 77,264,920.80, 115,897,381.20 and 23,405,234.40

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Solution

The fourth proportional to 77,264,920.80, 115,897,381.20 and 23,405,234.40 is: 35,107,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,920.80 : 115,897,381.20 = 23,405,234.40 : x
  2. Step 2: Convert to fraction form
    77,264,920.80/115,897,381.20 = 23,405,234.40/x
  3. Step 3: Cross multiply
    77,264,920.80x = 115,897,381.20 × 23,405,234.40
  4. Step 4: Simplify right side
    77,264,920.80x = 2,712,605,373,332,153
  5. Step 5: Solve for x
    x = 2,712,605,373,332,153/77,264,920.80
  6. Step 6: Final answer
    x = 35,107,851.60

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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.