Home / 102,000,940.56-140,757,200.28-55,590,199.92

Finding the Fourth Proportional to 102,000,940.56, 140,757,200.28 and 55,590,199.92

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Solution

The fourth proportional to 102,000,940.56, 140,757,200.28 and 55,590,199.92 is: 76,712,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,000,940.56 : 140,757,200.28 = 55,590,199.92 : x
  2. Step 2: Convert to fraction form
    102,000,940.56/140,757,200.28 = 55,590,199.92/x
  3. Step 3: Cross multiply
    102,000,940.56x = 140,757,200.28 × 55,590,199.92
  4. Step 4: Simplify right side
    102,000,940.56x = 7,824,720,903,744,680
  5. Step 5: Solve for x
    x = 7,824,720,903,744,680/102,000,940.56
  6. Step 6: Final answer
    x = 76,712,242.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.