Home / 145,627,885.70-218,441,828.55-133,156,736.90

Finding the Fourth Proportional to 145,627,885.70, 218,441,828.55 and 133,156,736.90

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Solution

The fourth proportional to 145,627,885.70, 218,441,828.55 and 133,156,736.90 is: 199,735,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,885.70 : 218,441,828.55 = 133,156,736.90 : x
  2. Step 2: Convert to fraction form
    145,627,885.70/218,441,828.55 = 133,156,736.90/x
  3. Step 3: Cross multiply
    145,627,885.70x = 218,441,828.55 × 133,156,736.90
  4. Step 4: Simplify right side
    145,627,885.70x = 29,087,001,092,187,260
  5. Step 5: Solve for x
    x = 29,087,001,092,187,260/145,627,885.70
  6. Step 6: Final answer
    x = 199,735,105.35

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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.