Home / 122,221,111.68-168,661,768.32-67,216,988.16

Finding the Fourth Proportional to 122,221,111.68, 168,661,768.32 and 67,216,988.16

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Solution

The fourth proportional to 122,221,111.68, 168,661,768.32 and 67,216,988.16 is: 92,757,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,221,111.68 : 168,661,768.32 = 67,216,988.16 : x
  2. Step 2: Convert to fraction form
    122,221,111.68/168,661,768.32 = 67,216,988.16/x
  3. Step 3: Cross multiply
    122,221,111.68x = 168,661,768.32 × 67,216,988.16
  4. Step 4: Simplify right side
    122,221,111.68x = 11,336,936,084,210,102
  5. Step 5: Solve for x
    x = 11,336,936,084,210,102/122,221,111.68
  6. Step 6: Final answer
    x = 92,757,592.60

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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.