Home / 77,234,276.80-115,817,200.80-26,102,411.20

Finding the Fourth Proportional to 77,234,276.80, 115,817,200.80 and 26,102,411.20

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Solution

The fourth proportional to 77,234,276.80, 115,817,200.80 and 26,102,411.20 is: 39,142,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,234,276.80 : 115,817,200.80 = 26,102,411.20 : x
  2. Step 2: Convert to fraction form
    77,234,276.80/115,817,200.80 = 26,102,411.20/x
  3. Step 3: Cross multiply
    77,234,276.80x = 115,817,200.80 × 26,102,411.20
  4. Step 4: Simplify right side
    77,234,276.80x = 3,023,108,199,314,569
  5. Step 5: Solve for x
    x = 3,023,108,199,314,569/77,234,276.80
  6. Step 6: Final answer
    x = 39,142,053.56

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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.