Home / 83,145,312.80-124,717,969.20-52,534,311.20

Finding the Fourth Proportional to 83,145,312.80, 124,717,969.20 and 52,534,311.20

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Solution

The fourth proportional to 83,145,312.80, 124,717,969.20 and 52,534,311.20 is: 78,801,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,145,312.80 : 124,717,969.20 = 52,534,311.20 : x
  2. Step 2: Convert to fraction form
    83,145,312.80/124,717,969.20 = 52,534,311.20/x
  3. Step 3: Cross multiply
    83,145,312.80x = 124,717,969.20 × 52,534,311.20
  4. Step 4: Simplify right side
    83,145,312.80x = 6,551,972,606,184,816
  5. Step 5: Solve for x
    x = 6,551,972,606,184,816/83,145,312.80
  6. Step 6: Final answer
    x = 78,801,466.80

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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.