Home / 376,428,111.40-564,842,787.90-146,404,700.20

Finding the Fourth Proportional to 376,428,111.40, 564,842,787.90 and 146,404,700.20

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Solution

The fourth proportional to 376,428,111.40, 564,842,787.90 and 146,404,700.20 is: 219,685,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,428,111.40 : 564,842,787.90 = 146,404,700.20 : x
  2. Step 2: Convert to fraction form
    376,428,111.40/564,842,787.90 = 146,404,700.20/x
  3. Step 3: Cross multiply
    376,428,111.40x = 564,842,787.90 × 146,404,700.20
  4. Step 4: Simplify right side
    376,428,111.40x = 82,695,639,022,631,680
  5. Step 5: Solve for x
    x = 82,695,639,022,631,680/376,428,111.40
  6. Step 6: Final answer
    x = 219,685,078.02

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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.