Home / 178,334,562.60-267,501,843.90-129,709,679.40

Finding the Fourth Proportional to 178,334,562.60, 267,501,843.90 and 129,709,679.40

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Solution

The fourth proportional to 178,334,562.60, 267,501,843.90 and 129,709,679.40 is: 194,564,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,334,562.60 : 267,501,843.90 = 129,709,679.40 : x
  2. Step 2: Convert to fraction form
    178,334,562.60/267,501,843.90 = 129,709,679.40/x
  3. Step 3: Cross multiply
    178,334,562.60x = 267,501,843.90 × 129,709,679.40
  4. Step 4: Simplify right side
    178,334,562.60x = 34,697,578,411,177,848
  5. Step 5: Solve for x
    x = 34,697,578,411,177,848/178,334,562.60
  6. Step 6: Final answer
    x = 194,564,519.10

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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.