Home / 115,931,816.20-173,892,194.70-39,247,323.40

Finding the Fourth Proportional to 115,931,816.20, 173,892,194.70 and 39,247,323.40

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Solution

The fourth proportional to 115,931,816.20, 173,892,194.70 and 39,247,323.40 is: 58,869,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931,816.20 : 173,892,194.70 = 39,247,323.40 : x
  2. Step 2: Convert to fraction form
    115,931,816.20/173,892,194.70 = 39,247,323.40/x
  3. Step 3: Cross multiply
    115,931,816.20x = 173,892,194.70 × 39,247,323.40
  4. Step 4: Simplify right side
    115,931,816.20x = 6,824,803,202,126,665
  5. Step 5: Solve for x
    x = 6,824,803,202,126,665/115,931,816.20
  6. Step 6: Final answer
    x = 58,869,113.12

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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.