Home / 47,488,051.20-71,232,076.80-28,340,428.80

Finding the Fourth Proportional to 47,488,051.20, 71,232,076.80 and 28,340,428.80

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Solution

The fourth proportional to 47,488,051.20, 71,232,076.80 and 28,340,428.80 is: 42,510,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488,051.20 : 71,232,076.80 = 28,340,428.80 : x
  2. Step 2: Convert to fraction form
    47,488,051.20/71,232,076.80 = 28,340,428.80/x
  3. Step 3: Cross multiply
    47,488,051.20x = 71,232,076.80 × 28,340,428.80
  4. Step 4: Simplify right side
    47,488,051.20x = 2,018,747,600,826,531.75
  5. Step 5: Solve for x
    x = 2,018,747,600,826,531.75/47,488,051.20
  6. Step 6: Final answer
    x = 42,510,643.20

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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.