Home / 86,618,122.72-129,917,070.40-34,800,627.76

Finding the Fourth Proportional to 86,618,122.72, 129,917,070.40 and 34,800,627.76

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Solution

The fourth proportional to 86,618,122.72, 129,917,070.40 and 34,800,627.76 is: 52,196,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,618,122.72 : 129,917,070.40 = 34,800,627.76 : x
  2. Step 2: Convert to fraction form
    86,618,122.72/129,917,070.40 = 34,800,627.76/x
  3. Step 3: Cross multiply
    86,618,122.72x = 129,917,070.40 × 34,800,627.76
  4. Step 4: Simplify right side
    86,618,122.72x = 4,521,195,606,660,114
  5. Step 5: Solve for x
    x = 4,521,195,606,660,114/86,618,122.72
  6. Step 6: Final answer
    x = 52,196,878.26

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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.