Home / 146,888,053.20-220,013,215.20-121,378,885.20

Finding the Fourth Proportional to 146,888,053.20, 220,013,215.20 and 121,378,885.20

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Solution

The fourth proportional to 146,888,053.20, 220,013,215.20 and 121,378,885.20 is: 181,804,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,888,053.20 : 220,013,215.20 = 121,378,885.20 : x
  2. Step 2: Convert to fraction form
    146,888,053.20/220,013,215.20 = 121,378,885.20/x
  3. Step 3: Cross multiply
    146,888,053.20x = 220,013,215.20 × 121,378,885.20
  4. Step 4: Simplify right side
    146,888,053.20x = 26,704,958,790,243,696
  5. Step 5: Solve for x
    x = 26,704,958,790,243,696/146,888,053.20
  6. Step 6: Final answer
    x = 181,804,838.50

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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.