Home / 103,590,434.10-155,385,651.15-99,167,445.30

Finding the Fourth Proportional to 103,590,434.10, 155,385,651.15 and 99,167,445.30

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Solution

The fourth proportional to 103,590,434.10, 155,385,651.15 and 99,167,445.30 is: 148,751,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590,434.10 : 155,385,651.15 = 99,167,445.30 : x
  2. Step 2: Convert to fraction form
    103,590,434.10/155,385,651.15 = 99,167,445.30/x
  3. Step 3: Cross multiply
    103,590,434.10x = 155,385,651.15 × 99,167,445.30
  4. Step 4: Simplify right side
    103,590,434.10x = 15,409,198,060,822,508
  5. Step 5: Solve for x
    x = 15,409,198,060,822,508/103,590,434.10
  6. Step 6: Final answer
    x = 148,751,167.95

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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.