Home / 48,389,220.80-72,617,008.80-21,482,187.20

Finding the Fourth Proportional to 48,389,220.80, 72,617,008.80 and 21,482,187.20

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Solution

The fourth proportional to 48,389,220.80, 72,617,008.80 and 21,482,187.20 is: 32,238,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,220.80 : 72,617,008.80 = 21,482,187.20 : x
  2. Step 2: Convert to fraction form
    48,389,220.80/72,617,008.80 = 21,482,187.20/x
  3. Step 3: Cross multiply
    48,389,220.80x = 72,617,008.80 × 21,482,187.20
  4. Step 4: Simplify right side
    48,389,220.80x = 1,559,972,176,945,647.25
  5. Step 5: Solve for x
    x = 1,559,972,176,945,647.25/48,389,220.80
  6. Step 6: Final answer
    x = 32,238,009.85

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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.