Home / 47,521,988.10-71,312,968.45-20,228,237.28

Finding the Fourth Proportional to 47,521,988.10, 71,312,968.45 and 20,228,237.28

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Solution

The fourth proportional to 47,521,988.10, 71,312,968.45 and 20,228,237.28 is: 30,355,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521,988.10 : 71,312,968.45 = 20,228,237.28 : x
  2. Step 2: Convert to fraction form
    47,521,988.10/71,312,968.45 = 20,228,237.28/x
  3. Step 3: Cross multiply
    47,521,988.10x = 71,312,968.45 × 20,228,237.28
  4. Step 4: Simplify right side
    47,521,988.10x = 1,442,535,646,947,754
  5. Step 5: Solve for x
    x = 1,442,535,646,947,754/47,521,988.10
  6. Step 6: Final answer
    x = 30,355,119.91

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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.