Home / 47,478,685.76-71,299,530.20-29,142,303.87

Finding the Fourth Proportional to 47,478,685.76, 71,299,530.20 and 29,142,303.87

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Solution

The fourth proportional to 47,478,685.76, 71,299,530.20 and 29,142,303.87 is: 43,763,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478,685.76 : 71,299,530.20 = 29,142,303.87 : x
  2. Step 2: Convert to fraction form
    47,478,685.76/71,299,530.20 = 29,142,303.87/x
  3. Step 3: Cross multiply
    47,478,685.76x = 71,299,530.20 × 29,142,303.87
  4. Step 4: Simplify right side
    47,478,685.76x = 2,077,832,575,216,871
  5. Step 5: Solve for x
    x = 2,077,832,575,216,871/47,478,685.76
  6. Step 6: Final answer
    x = 43,763,481.28

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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.