Home / 342,780,519.70-514,103,851.05-109,548,668.80

Finding the Fourth Proportional to 342,780,519.70, 514,103,851.05 and 109,548,668.80

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Solution

The fourth proportional to 342,780,519.70, 514,103,851.05 and 109,548,668.80 is: 164,301,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,780,519.70 : 514,103,851.05 = 109,548,668.80 : x
  2. Step 2: Convert to fraction form
    342,780,519.70/514,103,851.05 = 109,548,668.80/x
  3. Step 3: Cross multiply
    342,780,519.70x = 514,103,851.05 × 109,548,668.80
  4. Step 4: Simplify right side
    342,780,519.70x = 56,319,392,507,480,984
  5. Step 5: Solve for x
    x = 56,319,392,507,480,984/342,780,519.70
  6. Step 6: Final answer
    x = 164,301,613.63

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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.