Home / 85,693,701.59-128,500,031.14-33,195,960.55

Finding the Fourth Proportional to 85,693,701.59, 128,500,031.14 and 33,195,960.55

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Solution

The fourth proportional to 85,693,701.59, 128,500,031.14 and 33,195,960.55 is: 49,778,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693,701.59 : 128,500,031.14 = 33,195,960.55 : x
  2. Step 2: Convert to fraction form
    85,693,701.59/128,500,031.14 = 33,195,960.55/x
  3. Step 3: Cross multiply
    85,693,701.59x = 128,500,031.14 × 33,195,960.55
  4. Step 4: Simplify right side
    85,693,701.59x = 4,265,681,964,397,211.50
  5. Step 5: Solve for x
    x = 4,265,681,964,397,211.50/85,693,701.59
  6. Step 6: Final answer
    x = 49,778,243.74

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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.