Home / 47,308,028.80-70,962,043.20-42,521,123.20

Finding the Fourth Proportional to 47,308,028.80, 70,962,043.20 and 42,521,123.20

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Solution

The fourth proportional to 47,308,028.80, 70,962,043.20 and 42,521,123.20 is: 63,781,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308,028.80 : 70,962,043.20 = 42,521,123.20 : x
  2. Step 2: Convert to fraction form
    47,308,028.80/70,962,043.20 = 42,521,123.20/x
  3. Step 3: Cross multiply
    47,308,028.80x = 70,962,043.20 × 42,521,123.20
  4. Step 4: Simplify right side
    47,308,028.80x = 3,017,385,781,430,922.50
  5. Step 5: Solve for x
    x = 3,017,385,781,430,922.50/47,308,028.80
  6. Step 6: Final answer
    x = 63,781,684.80

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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.