Home / 65,665,689.40-98,498,534.10-20,241,407.80

Finding the Fourth Proportional to 65,665,689.40, 98,498,534.10 and 20,241,407.80

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Solution

The fourth proportional to 65,665,689.40, 98,498,534.10 and 20,241,407.80 is: 30,362,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,665,689.40 : 98,498,534.10 = 20,241,407.80 : x
  2. Step 2: Convert to fraction form
    65,665,689.40/98,498,534.10 = 20,241,407.80/x
  3. Step 3: Cross multiply
    65,665,689.40x = 98,498,534.10 × 20,241,407.80
  4. Step 4: Simplify right side
    65,665,689.40x = 1,993,748,996,420,306
  5. Step 5: Solve for x
    x = 1,993,748,996,420,306/65,665,689.40
  6. Step 6: Final answer
    x = 30,362,111.70

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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.