Home / 543,017,818.20-814,526,727.30-134,073,968.70

Finding the Fourth Proportional to 543,017,818.20, 814,526,727.30 and 134,073,968.70

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Solution

The fourth proportional to 543,017,818.20, 814,526,727.30 and 134,073,968.70 is: 201,110,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,017,818.20 : 814,526,727.30 = 134,073,968.70 : x
  2. Step 2: Convert to fraction form
    543,017,818.20/814,526,727.30 = 134,073,968.70/x
  3. Step 3: Cross multiply
    543,017,818.20x = 814,526,727.30 × 134,073,968.70
  4. Step 4: Simplify right side
    543,017,818.20x = 109,206,830,941,333,632
  5. Step 5: Solve for x
    x = 109,206,830,941,333,632/543,017,818.20
  6. Step 6: Final answer
    x = 201,110,953.05

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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.