Home / 65,781,164.80-98,482,790.40-40,271,996.80

Finding the Fourth Proportional to 65,781,164.80, 98,482,790.40 and 40,271,996.80

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Solution

The fourth proportional to 65,781,164.80, 98,482,790.40 and 40,271,996.80 is: 60,292,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,164.80 : 98,482,790.40 = 40,271,996.80 : x
  2. Step 2: Convert to fraction form
    65,781,164.80/98,482,790.40 = 40,271,996.80/x
  3. Step 3: Cross multiply
    65,781,164.80x = 98,482,790.40 × 40,271,996.80
  4. Step 4: Simplify right side
    65,781,164.80x = 3,966,098,619,843,870.50
  5. Step 5: Solve for x
    x = 3,966,098,619,843,870.50/65,781,164.80
  6. Step 6: Final answer
    x = 60,292,313.64

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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.