Home / 272,512,816.80-408,282,070.95-165,840,798.30

Finding the Fourth Proportional to 272,512,816.80, 408,282,070.95 and 165,840,798.30

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Solution

The fourth proportional to 272,512,816.80, 408,282,070.95 and 165,840,798.30 is: 248,464,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,512,816.80 : 408,282,070.95 = 165,840,798.30 : x
  2. Step 2: Convert to fraction form
    272,512,816.80/408,282,070.95 = 165,840,798.30/x
  3. Step 3: Cross multiply
    272,512,816.80x = 408,282,070.95 × 165,840,798.30
  4. Step 4: Simplify right side
    272,512,816.80x = 67,709,824,577,925,240
  5. Step 5: Solve for x
    x = 67,709,824,577,925,240/272,512,816.80
  6. Step 6: Final answer
    x = 248,464,734.15

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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.