Home / 111,702,002.60-167,553,003.90-77,264,625.80

Finding the Fourth Proportional to 111,702,002.60, 167,553,003.90 and 77,264,625.80

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Solution

The fourth proportional to 111,702,002.60, 167,553,003.90 and 77,264,625.80 is: 115,896,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,002.60 : 167,553,003.90 = 77,264,625.80 : x
  2. Step 2: Convert to fraction form
    111,702,002.60/167,553,003.90 = 77,264,625.80/x
  3. Step 3: Cross multiply
    111,702,002.60x = 167,553,003.90 × 77,264,625.80
  4. Step 4: Simplify right side
    111,702,002.60x = 12,945,920,147,999,440
  5. Step 5: Solve for x
    x = 12,945,920,147,999,440/111,702,002.60
  6. Step 6: Final answer
    x = 115,896,938.70

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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.