Home / 121,569,428.70-182,354,143.05-36,468,884.70

Finding the Fourth Proportional to 121,569,428.70, 182,354,143.05 and 36,468,884.70

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Solution

The fourth proportional to 121,569,428.70, 182,354,143.05 and 36,468,884.70 is: 54,703,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569,428.70 : 182,354,143.05 = 36,468,884.70 : x
  2. Step 2: Convert to fraction form
    121,569,428.70/182,354,143.05 = 36,468,884.70/x
  3. Step 3: Cross multiply
    121,569,428.70x = 182,354,143.05 × 36,468,884.70
  4. Step 4: Simplify right side
    121,569,428.70x = 6,650,252,217,457,757
  5. Step 5: Solve for x
    x = 6,650,252,217,457,757/121,569,428.70
  6. Step 6: Final answer
    x = 54,703,327.05

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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.