Home / 98,291,242.80-147,436,864.20-43,703,722.80

Finding the Fourth Proportional to 98,291,242.80, 147,436,864.20 and 43,703,722.80

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Solution

The fourth proportional to 98,291,242.80, 147,436,864.20 and 43,703,722.80 is: 65,555,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,291,242.80 : 147,436,864.20 = 43,703,722.80 : x
  2. Step 2: Convert to fraction form
    98,291,242.80/147,436,864.20 = 43,703,722.80/x
  3. Step 3: Cross multiply
    98,291,242.80x = 147,436,864.20 × 43,703,722.80
  4. Step 4: Simplify right side
    98,291,242.80x = 6,443,539,843,498,043
  5. Step 5: Solve for x
    x = 6,443,539,843,498,043/98,291,242.80
  6. Step 6: Final answer
    x = 65,555,584.20

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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.