Home / 178,038,076.30-267,057,114.45-147,804,988.30

Finding the Fourth Proportional to 178,038,076.30, 267,057,114.45 and 147,804,988.30

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Solution

The fourth proportional to 178,038,076.30, 267,057,114.45 and 147,804,988.30 is: 221,707,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,038,076.30 : 267,057,114.45 = 147,804,988.30 : x
  2. Step 2: Convert to fraction form
    178,038,076.30/267,057,114.45 = 147,804,988.30/x
  3. Step 3: Cross multiply
    178,038,076.30x = 267,057,114.45 × 147,804,988.30
  4. Step 4: Simplify right side
    178,038,076.30x = 39,472,373,676,714,016
  5. Step 5: Solve for x
    x = 39,472,373,676,714,016/178,038,076.30
  6. Step 6: Final answer
    x = 221,707,482.45

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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.