Home / 99,651,624.30-149,477,436.45-74,142,456.30

Finding the Fourth Proportional to 99,651,624.30, 149,477,436.45 and 74,142,456.30

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Solution

The fourth proportional to 99,651,624.30, 149,477,436.45 and 74,142,456.30 is: 111,213,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,624.30 : 149,477,436.45 = 74,142,456.30 : x
  2. Step 2: Convert to fraction form
    99,651,624.30/149,477,436.45 = 74,142,456.30/x
  3. Step 3: Cross multiply
    99,651,624.30x = 149,477,436.45 × 74,142,456.30
  4. Step 4: Simplify right side
    99,651,624.30x = 11,082,624,299,830,150
  5. Step 5: Solve for x
    x = 11,082,624,299,830,150/99,651,624.30
  6. Step 6: Final answer
    x = 111,213,684.45

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Double scale
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Similar ratio
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1.5x scale

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.