Home / 68,518,643,508.72-94,556,000,138.40-38,443,164,375.60

Finding the Fourth Proportional to 68,518,643,508.72, 94,556,000,138.40 and 38,443,164,375.60

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Solution

The fourth proportional to 68,518,643,508.72, 94,556,000,138.40 and 38,443,164,375.60 is: 53,051,719,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518,643,508.72 : 94,556,000,138.40 = 38,443,164,375.60 : x
  2. Step 2: Convert to fraction form
    68,518,643,508.72/94,556,000,138.40 = 38,443,164,375.60/x
  3. Step 3: Cross multiply
    68,518,643,508.72x = 94,556,000,138.40 × 38,443,164,375.60
  4. Step 4: Simplify right side
    68,518,643,508.72x = 3,635,031,856,019,767,033,856
  5. Step 5: Solve for x
    x = 3,635,031,856,019,767,033,856/68,518,643,508.72
  6. Step 6: Final answer
    x = 53,051,719,501.09

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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.