Home / 148,344,557.20-222,363,308.40-66,502,643.20

Finding the Fourth Proportional to 148,344,557.20, 222,363,308.40 and 66,502,643.20

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Solution

The fourth proportional to 148,344,557.20, 222,363,308.40 and 66,502,643.20 is: 99,685,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,344,557.20 : 222,363,308.40 = 66,502,643.20 : x
  2. Step 2: Convert to fraction form
    148,344,557.20/222,363,308.40 = 66,502,643.20/x
  3. Step 3: Cross multiply
    148,344,557.20x = 222,363,308.40 × 66,502,643.20
  4. Step 4: Simplify right side
    148,344,557.20x = 14,787,747,759,296,764
  5. Step 5: Solve for x
    x = 14,787,747,759,296,764/148,344,557.20
  6. Step 6: Final answer
    x = 99,685,138.70

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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.