Home / 122,223,155.67-168,671,146.10-67,220,455.59

Finding the Fourth Proportional to 122,223,155.67, 168,671,146.10 and 67,220,455.59

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Solution

The fourth proportional to 122,223,155.67, 168,671,146.10 and 67,220,455.59 is: 92,765,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223,155.67 : 168,671,146.10 = 67,220,455.59 : x
  2. Step 2: Convert to fraction form
    122,223,155.67/168,671,146.10 = 67,220,455.59/x
  3. Step 3: Cross multiply
    122,223,155.67x = 168,671,146.10 × 67,220,455.59
  4. Step 4: Simplify right side
    122,223,155.67x = 11,338,151,285,393,350
  5. Step 5: Solve for x
    x = 11,338,151,285,393,350/122,223,155.67
  6. Step 6: Final answer
    x = 92,765,983.85

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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.