Home / 42,286,176.80-63,436,263.60-18,036,720.80

Finding the Fourth Proportional to 42,286,176.80, 63,436,263.60 and 18,036,720.80

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Solution

The fourth proportional to 42,286,176.80, 63,436,263.60 and 18,036,720.80 is: 27,058,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286,176.80 : 63,436,263.60 = 18,036,720.80 : x
  2. Step 2: Convert to fraction form
    42,286,176.80/63,436,263.60 = 18,036,720.80/x
  3. Step 3: Cross multiply
    42,286,176.80x = 63,436,263.60 × 18,036,720.80
  4. Step 4: Simplify right side
    42,286,176.80x = 1,144,182,175,148,403
  5. Step 5: Solve for x
    x = 1,144,182,175,148,403/42,286,176.80
  6. Step 6: Final answer
    x = 27,058,066.29

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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.