Home / 71,416,893,841.11-98,555,329,587.65-39,302,255,995.36

Finding the Fourth Proportional to 71,416,893,841.11, 98,555,329,587.65 and 39,302,255,995.36

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Solution

The fourth proportional to 71,416,893,841.11, 98,555,329,587.65 and 39,302,255,995.36 is: 54,237,122,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,893,841.11 : 98,555,329,587.65 = 39,302,255,995.36 : x
  2. Step 2: Convert to fraction form
    71,416,893,841.11/98,555,329,587.65 = 39,302,255,995.36/x
  3. Step 3: Cross multiply
    71,416,893,841.11x = 98,555,329,587.65 × 39,302,255,995.36
  4. Step 4: Simplify right side
    71,416,893,841.11x = 3,873,446,793,160,406,073,344
  5. Step 5: Solve for x
    x = 3,873,446,793,160,406,073,344/71,416,893,841.11
  6. Step 6: Final answer
    x = 54,237,122,126.57

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Double scale
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1.5x scale

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.