Home / 298,126,113.95-411,427,615.56-165,975,503.76

Finding the Fourth Proportional to 298,126,113.95, 411,427,615.56 and 165,975,503.76

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Solution

The fourth proportional to 298,126,113.95, 411,427,615.56 and 165,975,503.76 is: 229,053,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,126,113.95 : 411,427,615.56 = 165,975,503.76 : x
  2. Step 2: Convert to fraction form
    298,126,113.95/411,427,615.56 = 165,975,503.76/x
  3. Step 3: Cross multiply
    298,126,113.95x = 411,427,615.56 × 165,975,503.76
  4. Step 4: Simplify right side
    298,126,113.95x = 68,286,905,753,346,608
  5. Step 5: Solve for x
    x = 68,286,905,753,346,608/298,126,113.95
  6. Step 6: Final answer
    x = 229,053,754.63

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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.