Home / 207,199,832.10-310,911,722.55-92,202,123.30

Finding the Fourth Proportional to 207,199,832.10, 310,911,722.55 and 92,202,123.30

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Solution

The fourth proportional to 207,199,832.10, 310,911,722.55 and 92,202,123.30 is: 138,353,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,199,832.10 : 310,911,722.55 = 92,202,123.30 : x
  2. Step 2: Convert to fraction form
    207,199,832.10/310,911,722.55 = 92,202,123.30/x
  3. Step 3: Cross multiply
    207,199,832.10x = 310,911,722.55 × 92,202,123.30
  4. Step 4: Simplify right side
    207,199,832.10x = 28,666,720,977,970,492
  5. Step 5: Solve for x
    x = 28,666,720,977,970,492/207,199,832.10
  6. Step 6: Final answer
    x = 138,353,012.58

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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.