Home / 100,948,857.60-151,423,286.40-68,700,230.40

Finding the Fourth Proportional to 100,948,857.60, 151,423,286.40 and 68,700,230.40

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Solution

The fourth proportional to 100,948,857.60, 151,423,286.40 and 68,700,230.40 is: 103,050,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948,857.60 : 151,423,286.40 = 68,700,230.40 : x
  2. Step 2: Convert to fraction form
    100,948,857.60/151,423,286.40 = 68,700,230.40/x
  3. Step 3: Cross multiply
    100,948,857.60x = 151,423,286.40 × 68,700,230.40
  4. Step 4: Simplify right side
    100,948,857.60x = 10,402,814,663,605,188
  5. Step 5: Solve for x
    x = 10,402,814,663,605,188/100,948,857.60
  6. Step 6: Final answer
    x = 103,050,345.60

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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.