Home / 371,331,856.12-557,016,285.52-141,318,767.56

Finding the Fourth Proportional to 371,331,856.12, 557,016,285.52 and 141,318,767.56

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Solution

The fourth proportional to 371,331,856.12, 557,016,285.52 and 141,318,767.56 is: 211,985,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331,856.12 : 557,016,285.52 = 141,318,767.56 : x
  2. Step 2: Convert to fraction form
    371,331,856.12/557,016,285.52 = 141,318,767.56/x
  3. Step 3: Cross multiply
    371,331,856.12x = 557,016,285.52 × 141,318,767.56
  4. Step 4: Simplify right side
    371,331,856.12x = 78,716,854,980,535,472
  5. Step 5: Solve for x
    x = 78,716,854,980,535,472/371,331,856.12
  6. Step 6: Final answer
    x = 211,985,192.44

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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.