Home / 215,291,280.70-322,716,471.45-105,948,279.10

Finding the Fourth Proportional to 215,291,280.70, 322,716,471.45 and 105,948,279.10

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Solution

The fourth proportional to 215,291,280.70, 322,716,471.45 and 105,948,279.10 is: 158,813,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291,280.70 : 322,716,471.45 = 105,948,279.10 : x
  2. Step 2: Convert to fraction form
    215,291,280.70/322,716,471.45 = 105,948,279.10/x
  3. Step 3: Cross multiply
    215,291,280.70x = 322,716,471.45 × 105,948,279.10
  4. Step 4: Simplify right side
    215,291,280.70x = 34,191,254,787,351,780
  5. Step 5: Solve for x
    x = 34,191,254,787,351,780/215,291,280.70
  6. Step 6: Final answer
    x = 158,813,931.88

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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.