Home / 178,129,415.40-267,194,123.10-87,430,151.40

Finding the Fourth Proportional to 178,129,415.40, 267,194,123.10 and 87,430,151.40

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Solution

The fourth proportional to 178,129,415.40, 267,194,123.10 and 87,430,151.40 is: 131,145,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,129,415.40 : 267,194,123.10 = 87,430,151.40 : x
  2. Step 2: Convert to fraction form
    178,129,415.40/267,194,123.10 = 87,430,151.40/x
  3. Step 3: Cross multiply
    178,129,415.40x = 267,194,123.10 × 87,430,151.40
  4. Step 4: Simplify right side
    178,129,415.40x = 23,360,822,635,823,240
  5. Step 5: Solve for x
    x = 23,360,822,635,823,240/178,129,415.40
  6. Step 6: Final answer
    x = 131,145,227.10

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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.