Home / 151,879,337.50-209,582,604.74-89,157,982.18

Finding the Fourth Proportional to 151,879,337.50, 209,582,604.74 and 89,157,982.18

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Solution

The fourth proportional to 151,879,337.50, 209,582,604.74 and 89,157,982.18 is: 123,031,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,879,337.50 : 209,582,604.74 = 89,157,982.18 : x
  2. Step 2: Convert to fraction form
    151,879,337.50/209,582,604.74 = 89,157,982.18/x
  3. Step 3: Cross multiply
    151,879,337.50x = 209,582,604.74 × 89,157,982.18
  4. Step 4: Simplify right side
    151,879,337.50x = 18,685,962,138,646,904
  5. Step 5: Solve for x
    x = 18,685,962,138,646,904/151,879,337.50
  6. Step 6: Final answer
    x = 123,031,627.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.