Home / 178,737,415.04-268,105,728.60-47,579,719.96

Finding the Fourth Proportional to 178,737,415.04, 268,105,728.60 and 47,579,719.96

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Solution

The fourth proportional to 178,737,415.04, 268,105,728.60 and 47,579,719.96 is: 71,369,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737,415.04 : 268,105,728.60 = 47,579,719.96 : x
  2. Step 2: Convert to fraction form
    178,737,415.04/268,105,728.60 = 47,579,719.96/x
  3. Step 3: Cross multiply
    178,737,415.04x = 268,105,728.60 × 47,579,719.96
  4. Step 4: Simplify right side
    178,737,415.04x = 12,756,395,486,459,762
  5. Step 5: Solve for x
    x = 12,756,395,486,459,762/178,737,415.04
  6. Step 6: Final answer
    x = 71,369,475.07

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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.