Home / 147,613,336.80-221,420,005.20-70,917,871.20

Finding the Fourth Proportional to 147,613,336.80, 221,420,005.20 and 70,917,871.20

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Solution

The fourth proportional to 147,613,336.80, 221,420,005.20 and 70,917,871.20 is: 106,376,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613,336.80 : 221,420,005.20 = 70,917,871.20 : x
  2. Step 2: Convert to fraction form
    147,613,336.80/221,420,005.20 = 70,917,871.20/x
  3. Step 3: Cross multiply
    147,613,336.80x = 221,420,005.20 × 70,917,871.20
  4. Step 4: Simplify right side
    147,613,336.80x = 15,702,635,409,876,930
  5. Step 5: Solve for x
    x = 15,702,635,409,876,930/147,613,336.80
  6. Step 6: Final answer
    x = 106,376,806.80

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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.