Home / 79,461,159.80-119,191,739.70-68,690,622.20

Finding the Fourth Proportional to 79,461,159.80, 119,191,739.70 and 68,690,622.20

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Solution

The fourth proportional to 79,461,159.80, 119,191,739.70 and 68,690,622.20 is: 103,035,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461,159.80 : 119,191,739.70 = 68,690,622.20 : x
  2. Step 2: Convert to fraction form
    79,461,159.80/119,191,739.70 = 68,690,622.20/x
  3. Step 3: Cross multiply
    79,461,159.80x = 119,191,739.70 × 68,690,622.20
  4. Step 4: Simplify right side
    79,461,159.80x = 8,187,354,761,093,442
  5. Step 5: Solve for x
    x = 8,187,354,761,093,442/79,461,159.80
  6. Step 6: Final answer
    x = 103,035,933.30

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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.