Home / 55,842,422.40-83,826,619.20-43,119,331.20

Finding the Fourth Proportional to 55,842,422.40, 83,826,619.20 and 43,119,331.20

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Solution

The fourth proportional to 55,842,422.40, 83,826,619.20 and 43,119,331.20 is: 64,727,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842,422.40 : 83,826,619.20 = 43,119,331.20 : x
  2. Step 2: Convert to fraction form
    55,842,422.40/83,826,619.20 = 43,119,331.20/x
  3. Step 3: Cross multiply
    55,842,422.40x = 83,826,619.20 × 43,119,331.20
  4. Step 4: Simplify right side
    55,842,422.40x = 3,614,547,756,661,079.50
  5. Step 5: Solve for x
    x = 3,614,547,756,661,079.50/55,842,422.40
  6. Step 6: Final answer
    x = 64,727,631.81

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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.