Home / 66,434,743.80-99,652,115.70-55,664,206.20

Finding the Fourth Proportional to 66,434,743.80, 99,652,115.70 and 55,664,206.20

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Solution

The fourth proportional to 66,434,743.80, 99,652,115.70 and 55,664,206.20 is: 83,496,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,743.80 : 99,652,115.70 = 55,664,206.20 : x
  2. Step 2: Convert to fraction form
    66,434,743.80/99,652,115.70 = 55,664,206.20/x
  3. Step 3: Cross multiply
    66,434,743.80x = 99,652,115.70 × 55,664,206.20
  4. Step 4: Simplify right side
    66,434,743.80x = 5,547,055,916,591,058
  5. Step 5: Solve for x
    x = 5,547,055,916,591,058/66,434,743.80
  6. Step 6: Final answer
    x = 83,496,309.30

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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.