Home / 80,967,302.60-121,450,953.90-73,157,088.20

Finding the Fourth Proportional to 80,967,302.60, 121,450,953.90 and 73,157,088.20

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Solution

The fourth proportional to 80,967,302.60, 121,450,953.90 and 73,157,088.20 is: 109,735,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967,302.60 : 121,450,953.90 = 73,157,088.20 : x
  2. Step 2: Convert to fraction form
    80,967,302.60/121,450,953.90 = 73,157,088.20/x
  3. Step 3: Cross multiply
    80,967,302.60x = 121,450,953.90 × 73,157,088.20
  4. Step 4: Simplify right side
    80,967,302.60x = 8,884,998,146,436,435
  5. Step 5: Solve for x
    x = 8,884,998,146,436,435/80,967,302.60
  6. Step 6: Final answer
    x = 109,735,632.30

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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.