Home / 43,008,623.20-64,512,934.80-42,013,295.20

Finding the Fourth Proportional to 43,008,623.20, 64,512,934.80 and 42,013,295.20

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Solution

The fourth proportional to 43,008,623.20, 64,512,934.80 and 42,013,295.20 is: 63,019,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008,623.20 : 64,512,934.80 = 42,013,295.20 : x
  2. Step 2: Convert to fraction form
    43,008,623.20/64,512,934.80 = 42,013,295.20/x
  3. Step 3: Cross multiply
    43,008,623.20x = 64,512,934.80 × 42,013,295.20
  4. Step 4: Simplify right side
    43,008,623.20x = 2,710,400,973,970,753
  5. Step 5: Solve for x
    x = 2,710,400,973,970,753/43,008,623.20
  6. Step 6: Final answer
    x = 63,019,942.80

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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.