Home / 48,161,901.70-72,242,852.55-19,421,805.70

Finding the Fourth Proportional to 48,161,901.70, 72,242,852.55 and 19,421,805.70

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Solution

The fourth proportional to 48,161,901.70, 72,242,852.55 and 19,421,805.70 is: 29,132,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161,901.70 : 72,242,852.55 = 19,421,805.70 : x
  2. Step 2: Convert to fraction form
    48,161,901.70/72,242,852.55 = 19,421,805.70/x
  3. Step 3: Cross multiply
    48,161,901.70x = 72,242,852.55 × 19,421,805.70
  4. Step 4: Simplify right side
    48,161,901.70x = 1,403,086,645,439,849.50
  5. Step 5: Solve for x
    x = 1,403,086,645,439,849.50/48,161,901.70
  6. Step 6: Final answer
    x = 29,132,708.55

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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.