Home / 351,979,643.18-527,989,641.19-93,188,138.73

Finding the Fourth Proportional to 351,979,643.18, 527,989,641.19 and 93,188,138.73

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Solution

The fourth proportional to 351,979,643.18, 527,989,641.19 and 93,188,138.73 is: 139,787,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,979,643.18 : 527,989,641.19 = 93,188,138.73 : x
  2. Step 2: Convert to fraction form
    351,979,643.18/527,989,641.19 = 93,188,138.73/x
  3. Step 3: Cross multiply
    351,979,643.18x = 527,989,641.19 × 93,188,138.73
  4. Step 4: Simplify right side
    351,979,643.18x = 49,202,371,931,216,648
  5. Step 5: Solve for x
    x = 49,202,371,931,216,648/351,979,643.18
  6. Step 6: Final answer
    x = 139,787,549.89

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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.