Home / 48,393,345.80-72,602,849.10-21,087,921.80

Finding the Fourth Proportional to 48,393,345.80, 72,602,849.10 and 21,087,921.80

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Solution

The fourth proportional to 48,393,345.80, 72,602,849.10 and 21,087,921.80 is: 31,637,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393,345.80 : 72,602,849.10 = 21,087,921.80 : x
  2. Step 2: Convert to fraction form
    48,393,345.80/72,602,849.10 = 21,087,921.80/x
  3. Step 3: Cross multiply
    48,393,345.80x = 72,602,849.10 × 21,087,921.80
  4. Step 4: Simplify right side
    48,393,345.80x = 1,531,043,204,278,000.25
  5. Step 5: Solve for x
    x = 1,531,043,204,278,000.25/48,393,345.80
  6. Step 6: Final answer
    x = 31,637,473.69

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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.