Home / 178,051,648.20-267,077,472.30-147,440,646.60

Finding the Fourth Proportional to 178,051,648.20, 267,077,472.30 and 147,440,646.60

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Solution

The fourth proportional to 178,051,648.20, 267,077,472.30 and 147,440,646.60 is: 221,160,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,051,648.20 : 267,077,472.30 = 147,440,646.60 : x
  2. Step 2: Convert to fraction form
    178,051,648.20/267,077,472.30 = 147,440,646.60/x
  3. Step 3: Cross multiply
    178,051,648.20x = 267,077,472.30 × 147,440,646.60
  4. Step 4: Simplify right side
    178,051,648.20x = 39,378,075,208,205,592
  5. Step 5: Solve for x
    x = 39,378,075,208,205,592/178,051,648.20
  6. Step 6: Final answer
    x = 221,160,969.90

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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.