Home / 86,148,161.16-118,928,337.12-66,524,997.48

Finding the Fourth Proportional to 86,148,161.16, 118,928,337.12 and 66,524,997.48

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Solution

The fourth proportional to 86,148,161.16, 118,928,337.12 and 66,524,997.48 is: 91,838,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148,161.16 : 118,928,337.12 = 66,524,997.48 : x
  2. Step 2: Convert to fraction form
    86,148,161.16/118,928,337.12 = 66,524,997.48/x
  3. Step 3: Cross multiply
    86,148,161.16x = 118,928,337.12 × 66,524,997.48
  4. Step 4: Simplify right side
    86,148,161.16x = 7,911,707,327,208,590
  5. Step 5: Solve for x
    x = 7,911,707,327,208,590/86,148,161.16
  6. Step 6: Final answer
    x = 91,838,377.29

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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.