Home / 48,133,092.16-72,221,686.08-20,847,730.24

Finding the Fourth Proportional to 48,133,092.16, 72,221,686.08 and 20,847,730.24

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Solution

The fourth proportional to 48,133,092.16, 72,221,686.08 and 20,847,730.24 is: 31,281,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133,092.16 : 72,221,686.08 = 20,847,730.24 : x
  2. Step 2: Convert to fraction form
    48,133,092.16/72,221,686.08 = 20,847,730.24/x
  3. Step 3: Cross multiply
    48,133,092.16x = 72,221,686.08 × 20,847,730.24
  4. Step 4: Simplify right side
    48,133,092.16x = 1,505,658,228,873,803
  5. Step 5: Solve for x
    x = 1,505,658,228,873,803/48,133,092.16
  6. Step 6: Final answer
    x = 31,281,144.87

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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.