Home / 123,385,861.46-183,975,690.85-119,995,932.18

Finding the Fourth Proportional to 123,385,861.46, 183,975,690.85 and 119,995,932.18

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Solution

The fourth proportional to 123,385,861.46, 183,975,690.85 and 119,995,932.18 is: 178,921,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,861.46 : 183,975,690.85 = 119,995,932.18 : x
  2. Step 2: Convert to fraction form
    123,385,861.46/183,975,690.85 = 119,995,932.18/x
  3. Step 3: Cross multiply
    123,385,861.46x = 183,975,690.85 × 119,995,932.18
  4. Step 4: Simplify right side
    123,385,861.46x = 22,076,334,522,005,248
  5. Step 5: Solve for x
    x = 22,076,334,522,005,248/123,385,861.46
  6. Step 6: Final answer
    x = 178,921,103.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.