Home / 43,420,165.40-65,130,248.10-13,124,869.40

Finding the Fourth Proportional to 43,420,165.40, 65,130,248.10 and 13,124,869.40

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Solution

The fourth proportional to 43,420,165.40, 65,130,248.10 and 13,124,869.40 is: 19,687,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,420,165.40 : 65,130,248.10 = 13,124,869.40 : x
  2. Step 2: Convert to fraction form
    43,420,165.40/65,130,248.10 = 13,124,869.40/x
  3. Step 3: Cross multiply
    43,420,165.40x = 65,130,248.10 × 13,124,869.40
  4. Step 4: Simplify right side
    43,420,165.40x = 854,826,000,302,098.12
  5. Step 5: Solve for x
    x = 854,826,000,302,098.12/43,420,165.40
  6. Step 6: Final answer
    x = 19,687,304.10

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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.