Home / 90,023,752.56-135,035,630.45-21,865,985.04

Finding the Fourth Proportional to 90,023,752.56, 135,035,630.45 and 21,865,985.04

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Solution

The fourth proportional to 90,023,752.56, 135,035,630.45 and 21,865,985.04 is: 32,798,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023,752.56 : 135,035,630.45 = 21,865,985.04 : x
  2. Step 2: Convert to fraction form
    90,023,752.56/135,035,630.45 = 21,865,985.04/x
  3. Step 3: Cross multiply
    90,023,752.56x = 135,035,630.45 × 21,865,985.04
  4. Step 4: Simplify right side
    90,023,752.56x = 2,952,687,075,177,338.50
  5. Step 5: Solve for x
    x = 2,952,687,075,177,338.50/90,023,752.56
  6. Step 6: Final answer
    x = 32,798,977.95

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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.