Home / 47,148,225.72-70,722,358.11-21,210,230.49

Finding the Fourth Proportional to 47,148,225.72, 70,722,358.11 and 21,210,230.49

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Solution

The fourth proportional to 47,148,225.72, 70,722,358.11 and 21,210,230.49 is: 31,815,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148,225.72 : 70,722,358.11 = 21,210,230.49 : x
  2. Step 2: Convert to fraction form
    47,148,225.72/70,722,358.11 = 21,210,230.49/x
  3. Step 3: Cross multiply
    47,148,225.72x = 70,722,358.11 × 21,210,230.49
  4. Step 4: Simplify right side
    47,148,225.72x = 1,500,037,516,309,420.75
  5. Step 5: Solve for x
    x = 1,500,037,516,309,420.75/47,148,225.72
  6. Step 6: Final answer
    x = 31,815,354.52

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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.