Home / 104,328,374.10-156,492,561.15-66,033,129.30

Finding the Fourth Proportional to 104,328,374.10, 156,492,561.15 and 66,033,129.30

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Solution

The fourth proportional to 104,328,374.10, 156,492,561.15 and 66,033,129.30 is: 99,049,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,374.10 : 156,492,561.15 = 66,033,129.30 : x
  2. Step 2: Convert to fraction form
    104,328,374.10/156,492,561.15 = 66,033,129.30/x
  3. Step 3: Cross multiply
    104,328,374.10x = 156,492,561.15 × 66,033,129.30
  4. Step 4: Simplify right side
    104,328,374.10x = 10,333,693,524,906,106
  5. Step 5: Solve for x
    x = 10,333,693,524,906,106/104,328,374.10
  6. Step 6: Final answer
    x = 99,049,693.95

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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.