Home / 224,145,611.40-336,218,417.10-78,743,353.80

Finding the Fourth Proportional to 224,145,611.40, 336,218,417.10 and 78,743,353.80

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Solution

The fourth proportional to 224,145,611.40, 336,218,417.10 and 78,743,353.80 is: 118,115,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,145,611.40 : 336,218,417.10 = 78,743,353.80 : x
  2. Step 2: Convert to fraction form
    224,145,611.40/336,218,417.10 = 78,743,353.80/x
  3. Step 3: Cross multiply
    224,145,611.40x = 336,218,417.10 × 78,743,353.80
  4. Step 4: Simplify right side
    224,145,611.40x = 26,474,965,771,781,272
  5. Step 5: Solve for x
    x = 26,474,965,771,781,272/224,145,611.40
  6. Step 6: Final answer
    x = 118,115,030.70

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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.