Home / 86,173,115.48-129,250,092.75-30,838,717.38

Finding the Fourth Proportional to 86,173,115.48, 129,250,092.75 and 30,838,717.38

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Solution

The fourth proportional to 86,173,115.48, 129,250,092.75 and 30,838,717.38 is: 46,254,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173,115.48 : 129,250,092.75 = 30,838,717.38 : x
  2. Step 2: Convert to fraction form
    86,173,115.48/129,250,092.75 = 30,838,717.38/x
  3. Step 3: Cross multiply
    86,173,115.48x = 129,250,092.75 × 30,838,717.38
  4. Step 4: Simplify right side
    86,173,115.48x = 3,985,907,081,486,938.50
  5. Step 5: Solve for x
    x = 3,985,907,081,486,938.50/86,173,115.48
  6. Step 6: Final answer
    x = 46,254,647.51

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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.