Home / 151,891,932.02-209,611,872.60-82,277,312.87

Finding the Fourth Proportional to 151,891,932.02, 209,611,872.60 and 82,277,312.87

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Solution

The fourth proportional to 151,891,932.02, 209,611,872.60 and 82,277,312.87 is: 113,543,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891,932.02 : 209,611,872.60 = 82,277,312.87 : x
  2. Step 2: Convert to fraction form
    151,891,932.02/209,611,872.60 = 82,277,312.87/x
  3. Step 3: Cross multiply
    151,891,932.02x = 209,611,872.60 × 82,277,312.87
  4. Step 4: Simplify right side
    151,891,932.02x = 17,246,301,623,176,780
  5. Step 5: Solve for x
    x = 17,246,301,623,176,780/151,891,932.02
  6. Step 6: Final answer
    x = 113,543,236.92

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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.