Home / 342,853,309.10-473,129,519.20-201,733,669.72

Finding the Fourth Proportional to 342,853,309.10, 473,129,519.20 and 201,733,669.72

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Solution

The fourth proportional to 342,853,309.10, 473,129,519.20 and 201,733,669.72 is: 278,387,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,853,309.10 : 473,129,519.20 = 201,733,669.72 : x
  2. Step 2: Convert to fraction form
    342,853,309.10/473,129,519.20 = 201,733,669.72/x
  3. Step 3: Cross multiply
    342,853,309.10x = 473,129,519.20 × 201,733,669.72
  4. Step 4: Simplify right side
    342,853,309.10x = 95,446,154,161,075,200
  5. Step 5: Solve for x
    x = 95,446,154,161,075,200/342,853,309.10
  6. Step 6: Final answer
    x = 278,387,729.18

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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.