Home / 122,223,154.92-168,671,145.06-67,220,454.84

Finding the Fourth Proportional to 122,223,154.92, 168,671,145.06 and 67,220,454.84

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Solution

The fourth proportional to 122,223,154.92, 168,671,145.06 and 67,220,454.84 is: 92,765,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223,154.92 : 168,671,145.06 = 67,220,454.84 : x
  2. Step 2: Convert to fraction form
    122,223,154.92/168,671,145.06 = 67,220,454.84/x
  3. Step 3: Cross multiply
    122,223,154.92x = 168,671,145.06 × 67,220,454.84
  4. Step 4: Simplify right side
    122,223,154.92x = 11,338,151,089,316,820
  5. Step 5: Solve for x
    x = 11,338,151,089,316,820/122,223,154.92
  6. Step 6: Final answer
    x = 92,765,982.82

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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.