Home / 118,239,997.32-163,172,565.77-65,315,608.58

Finding the Fourth Proportional to 118,239,997.32, 163,172,565.77 and 65,315,608.58

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Solution

The fourth proportional to 118,239,997.32, 163,172,565.77 and 65,315,608.58 is: 90,136,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239,997.32 : 163,172,565.77 = 65,315,608.58 : x
  2. Step 2: Convert to fraction form
    118,239,997.32/163,172,565.77 = 65,315,608.58/x
  3. Step 3: Cross multiply
    118,239,997.32x = 163,172,565.77 × 65,315,608.58
  4. Step 4: Simplify right side
    118,239,997.32x = 10,657,715,436,908,980
  5. Step 5: Solve for x
    x = 10,657,715,436,908,980/118,239,997.32
  6. Step 6: Final answer
    x = 90,136,296.33

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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.