Home / 161,435,999.60-242,791,728.60-144,855,040.40

Finding the Fourth Proportional to 161,435,999.60, 242,791,728.60 and 144,855,040.40

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Solution

The fourth proportional to 161,435,999.60, 242,791,728.60 and 144,855,040.40 is: 217,854,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,435,999.60 : 242,791,728.60 = 144,855,040.40 : x
  2. Step 2: Convert to fraction form
    161,435,999.60/242,791,728.60 = 144,855,040.40/x
  3. Step 3: Cross multiply
    161,435,999.60x = 242,791,728.60 × 144,855,040.40
  4. Step 4: Simplify right side
    161,435,999.60x = 35,169,605,655,138,836
  5. Step 5: Solve for x
    x = 35,169,605,655,138,836/161,435,999.60
  6. Step 6: Final answer
    x = 217,854,789.16

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1.5x scale

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.