Home / 43,570,371.60-65,355,557.40-28,264,870.80

Finding the Fourth Proportional to 43,570,371.60, 65,355,557.40 and 28,264,870.80

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Solution

The fourth proportional to 43,570,371.60, 65,355,557.40 and 28,264,870.80 is: 42,397,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570,371.60 : 65,355,557.40 = 28,264,870.80 : x
  2. Step 2: Convert to fraction form
    43,570,371.60/65,355,557.40 = 28,264,870.80/x
  3. Step 3: Cross multiply
    43,570,371.60x = 65,355,557.40 × 28,264,870.80
  4. Step 4: Simplify right side
    43,570,371.60x = 1,847,266,385,972,984
  5. Step 5: Solve for x
    x = 1,847,266,385,972,984/43,570,371.60
  6. Step 6: Final answer
    x = 42,397,306.20

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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.