Home / 342,194,769.60-513,418,125.60-112,171,358.40

Finding the Fourth Proportional to 342,194,769.60, 513,418,125.60 and 112,171,358.40

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Solution

The fourth proportional to 342,194,769.60, 513,418,125.60 and 112,171,358.40 is: 168,298,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,194,769.60 : 513,418,125.60 = 112,171,358.40 : x
  2. Step 2: Convert to fraction form
    342,194,769.60/513,418,125.60 = 112,171,358.40/x
  3. Step 3: Cross multiply
    342,194,769.60x = 513,418,125.60 × 112,171,358.40
  4. Step 4: Simplify right side
    342,194,769.60x = 57,590,808,575,733,824
  5. Step 5: Solve for x
    x = 57,590,808,575,733,824/342,194,769.60
  6. Step 6: Final answer
    x = 168,298,330.93

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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.