Home / 48,584,047.20-72,876,070.80-19,820,623.20

Finding the Fourth Proportional to 48,584,047.20, 72,876,070.80 and 19,820,623.20

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Solution

The fourth proportional to 48,584,047.20, 72,876,070.80 and 19,820,623.20 is: 29,730,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,584,047.20 : 72,876,070.80 = 19,820,623.20 : x
  2. Step 2: Convert to fraction form
    48,584,047.20/72,876,070.80 = 19,820,623.20/x
  3. Step 3: Cross multiply
    48,584,047.20x = 72,876,070.80 × 19,820,623.20
  4. Step 4: Simplify right side
    48,584,047.20x = 1,444,449,139,623,322.50
  5. Step 5: Solve for x
    x = 1,444,449,139,623,322.50/48,584,047.20
  6. Step 6: Final answer
    x = 29,730,934.80

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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.