Home / 147,622,832.10-221,434,248.15-145,071,915.30

Finding the Fourth Proportional to 147,622,832.10, 221,434,248.15 and 145,071,915.30

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Solution

The fourth proportional to 147,622,832.10, 221,434,248.15 and 145,071,915.30 is: 217,607,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,832.10 : 221,434,248.15 = 145,071,915.30 : x
  2. Step 2: Convert to fraction form
    147,622,832.10/221,434,248.15 = 145,071,915.30/x
  3. Step 3: Cross multiply
    147,622,832.10x = 221,434,248.15 × 145,071,915.30
  4. Step 4: Simplify right side
    147,622,832.10x = 32,123,890,492,135,984
  5. Step 5: Solve for x
    x = 32,123,890,492,135,984/147,622,832.10
  6. Step 6: Final answer
    x = 217,607,872.95

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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.