Home / 149,668,421.10-224,334,670.05-85,003,205.10

Finding the Fourth Proportional to 149,668,421.10, 224,334,670.05 and 85,003,205.10

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Solution

The fourth proportional to 149,668,421.10, 224,334,670.05 and 85,003,205.10 is: 127,409,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,668,421.10 : 224,334,670.05 = 85,003,205.10 : x
  2. Step 2: Convert to fraction form
    149,668,421.10/224,334,670.05 = 85,003,205.10/x
  3. Step 3: Cross multiply
    149,668,421.10x = 224,334,670.05 × 85,003,205.10
  4. Step 4: Simplify right side
    149,668,421.10x = 19,069,165,969,300,976
  5. Step 5: Solve for x
    x = 19,069,165,969,300,976/149,668,421.10
  6. Step 6: Final answer
    x = 127,409,414.95

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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.