Home / 122,474,867.40-183,712,301.10-118,317,817.80

Finding the Fourth Proportional to 122,474,867.40, 183,712,301.10 and 118,317,817.80

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Solution

The fourth proportional to 122,474,867.40, 183,712,301.10 and 118,317,817.80 is: 177,476,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,474,867.40 : 183,712,301.10 = 118,317,817.80 : x
  2. Step 2: Convert to fraction form
    122,474,867.40/183,712,301.10 = 118,317,817.80/x
  3. Step 3: Cross multiply
    122,474,867.40x = 183,712,301.10 × 118,317,817.80
  4. Step 4: Simplify right side
    122,474,867.40x = 21,736,438,569,168,540
  5. Step 5: Solve for x
    x = 21,736,438,569,168,540/122,474,867.40
  6. Step 6: Final answer
    x = 177,476,726.70

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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.