Home / 65,415,621.80-98,123,432.70-39,843,468.20

Finding the Fourth Proportional to 65,415,621.80, 98,123,432.70 and 39,843,468.20

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Solution

The fourth proportional to 65,415,621.80, 98,123,432.70 and 39,843,468.20 is: 59,765,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,415,621.80 : 98,123,432.70 = 39,843,468.20 : x
  2. Step 2: Convert to fraction form
    65,415,621.80/98,123,432.70 = 39,843,468.20/x
  3. Step 3: Cross multiply
    65,415,621.80x = 98,123,432.70 × 39,843,468.20
  4. Step 4: Simplify right side
    65,415,621.80x = 3,909,577,870,457,290.50
  5. Step 5: Solve for x
    x = 3,909,577,870,457,290.50/65,415,621.80
  6. Step 6: Final answer
    x = 59,765,202.30

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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.