Home / 147,744,005.60-221,616,008.40-71,027,544.80

Finding the Fourth Proportional to 147,744,005.60, 221,616,008.40 and 71,027,544.80

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Solution

The fourth proportional to 147,744,005.60, 221,616,008.40 and 71,027,544.80 is: 106,541,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,005.60 : 221,616,008.40 = 71,027,544.80 : x
  2. Step 2: Convert to fraction form
    147,744,005.60/221,616,008.40 = 71,027,544.80/x
  3. Step 3: Cross multiply
    147,744,005.60x = 221,616,008.40 × 71,027,544.80
  4. Step 4: Simplify right side
    147,744,005.60x = 15,740,840,965,028,176
  5. Step 5: Solve for x
    x = 15,740,840,965,028,176/147,744,005.60
  6. Step 6: Final answer
    x = 106,541,317.20

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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.