Home / 122,688,071.40-184,032,107.10-36,439,789.80

Finding the Fourth Proportional to 122,688,071.40, 184,032,107.10 and 36,439,789.80

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Solution

The fourth proportional to 122,688,071.40, 184,032,107.10 and 36,439,789.80 is: 54,659,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688,071.40 : 184,032,107.10 = 36,439,789.80 : x
  2. Step 2: Convert to fraction form
    122,688,071.40/184,032,107.10 = 36,439,789.80/x
  3. Step 3: Cross multiply
    122,688,071.40x = 184,032,107.10 × 36,439,789.80
  4. Step 4: Simplify right side
    122,688,071.40x = 6,706,091,299,175,087
  5. Step 5: Solve for x
    x = 6,706,091,299,175,087/122,688,071.40
  6. Step 6: Final answer
    x = 54,659,684.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.