Home / 105,441,641.40-158,162,462.10-64,626,972.60

Finding the Fourth Proportional to 105,441,641.40, 158,162,462.10 and 64,626,972.60

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Solution

The fourth proportional to 105,441,641.40, 158,162,462.10 and 64,626,972.60 is: 96,940,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,441,641.40 : 158,162,462.10 = 64,626,972.60 : x
  2. Step 2: Convert to fraction form
    105,441,641.40/158,162,462.10 = 64,626,972.60/x
  3. Step 3: Cross multiply
    105,441,641.40x = 158,162,462.10 × 64,626,972.60
  4. Step 4: Simplify right side
    105,441,641.40x = 10,221,561,104,485,238
  5. Step 5: Solve for x
    x = 10,221,561,104,485,238/105,441,641.40
  6. Step 6: Final answer
    x = 96,940,458.90

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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.