Home / 155,344,274.30-233,165,710.65-78,753,784.70

Finding the Fourth Proportional to 155,344,274.30, 233,165,710.65 and 78,753,784.70

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Solution

The fourth proportional to 155,344,274.30, 233,165,710.65 and 78,753,784.70 is: 118,206,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,344,274.30 : 233,165,710.65 = 78,753,784.70 : x
  2. Step 2: Convert to fraction form
    155,344,274.30/233,165,710.65 = 78,753,784.70/x
  3. Step 3: Cross multiply
    155,344,274.30x = 233,165,710.65 × 78,753,784.70
  4. Step 4: Simplify right side
    155,344,274.30x = 18,362,682,175,952,600
  5. Step 5: Solve for x
    x = 18,362,682,175,952,600/155,344,274.30
  6. Step 6: Final answer
    x = 118,206,366.21

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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.