Home / 149,563,436.86-206,431,980.24-87,703,704.46

Finding the Fourth Proportional to 149,563,436.86, 206,431,980.24 and 87,703,704.46

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Solution

The fourth proportional to 149,563,436.86, 206,431,980.24 and 87,703,704.46 is: 121,051,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,563,436.86 : 206,431,980.24 = 87,703,704.46 : x
  2. Step 2: Convert to fraction form
    149,563,436.86/206,431,980.24 = 87,703,704.46/x
  3. Step 3: Cross multiply
    149,563,436.86x = 206,431,980.24 × 87,703,704.46
  4. Step 4: Simplify right side
    149,563,436.86x = 18,104,849,386,061,520
  5. Step 5: Solve for x
    x = 18,104,849,386,061,520/149,563,436.86
  6. Step 6: Final answer
    x = 121,051,306.16

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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.