Home / 161,661,160.60-242,573,648.10-70,785,640.60

Finding the Fourth Proportional to 161,661,160.60, 242,573,648.10 and 70,785,640.60

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Solution

The fourth proportional to 161,661,160.60, 242,573,648.10 and 70,785,640.60 is: 106,214,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661,160.60 : 242,573,648.10 = 70,785,640.60 : x
  2. Step 2: Convert to fraction form
    161,661,160.60/242,573,648.10 = 70,785,640.60/x
  3. Step 3: Cross multiply
    161,661,160.60x = 242,573,648.10 × 70,785,640.60
  4. Step 4: Simplify right side
    161,661,160.60x = 17,170,731,073,437,470
  5. Step 5: Solve for x
    x = 17,170,731,073,437,470/161,661,160.60
  6. Step 6: Final answer
    x = 106,214,325.13

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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.