Home / 173,868,346.90-260,802,520.35-78,316,858.90

Finding the Fourth Proportional to 173,868,346.90, 260,802,520.35 and 78,316,858.90

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Solution

The fourth proportional to 173,868,346.90, 260,802,520.35 and 78,316,858.90 is: 117,475,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,346.90 : 260,802,520.35 = 78,316,858.90 : x
  2. Step 2: Convert to fraction form
    173,868,346.90/260,802,520.35 = 78,316,858.90/x
  3. Step 3: Cross multiply
    173,868,346.90x = 260,802,520.35 × 78,316,858.90
  4. Step 4: Simplify right side
    173,868,346.90x = 20,425,234,187,015,328
  5. Step 5: Solve for x
    x = 20,425,234,187,015,328/173,868,346.90
  6. Step 6: Final answer
    x = 117,475,288.35

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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.