Home / 146,519,849.60-220,031,716.80-103,689,641.60

Finding the Fourth Proportional to 146,519,849.60, 220,031,716.80 and 103,689,641.60

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Solution

The fourth proportional to 146,519,849.60, 220,031,716.80 and 103,689,641.60 is: 155,712,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519,849.60 : 220,031,716.80 = 103,689,641.60 : x
  2. Step 2: Convert to fraction form
    146,519,849.60/220,031,716.80 = 103,689,641.60/x
  3. Step 3: Cross multiply
    146,519,849.60x = 220,031,716.80 × 103,689,641.60
  4. Step 4: Simplify right side
    146,519,849.60x = 22,815,009,855,624,700
  5. Step 5: Solve for x
    x = 22,815,009,855,624,700/146,519,849.60
  6. Step 6: Final answer
    x = 155,712,757.81

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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.