Home / 154,744,631.56-213,853,985.60-126,823,302.68

Finding the Fourth Proportional to 154,744,631.56, 213,853,985.60 and 126,823,302.68

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Solution

The fourth proportional to 154,744,631.56, 213,853,985.60 and 126,823,302.68 is: 175,267,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,744,631.56 : 213,853,985.60 = 126,823,302.68 : x
  2. Step 2: Convert to fraction form
    154,744,631.56/213,853,985.60 = 126,823,302.68/x
  3. Step 3: Cross multiply
    154,744,631.56x = 213,853,985.60 × 126,823,302.68
  4. Step 4: Simplify right side
    154,744,631.56x = 27,121,668,744,973,680
  5. Step 5: Solve for x
    x = 27,121,668,744,973,680/154,744,631.56
  6. Step 6: Final answer
    x = 175,267,267.57

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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.