Home / 65,734,126.80-98,471,282.40-57,656,223.60

Finding the Fourth Proportional to 65,734,126.80, 98,471,282.40 and 57,656,223.60

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Solution

The fourth proportional to 65,734,126.80, 98,471,282.40 and 57,656,223.60 is: 86,370,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,734,126.80 : 98,471,282.40 = 57,656,223.60 : x
  2. Step 2: Convert to fraction form
    65,734,126.80/98,471,282.40 = 57,656,223.60/x
  3. Step 3: Cross multiply
    65,734,126.80x = 98,471,282.40 × 57,656,223.60
  4. Step 4: Simplify right side
    65,734,126.80x = 5,677,482,276,233,145
  5. Step 5: Solve for x
    x = 5,677,482,276,233,145/65,734,126.80
  6. Step 6: Final answer
    x = 86,370,391.65

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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.