Home / 165,079,133.60-247,778,132.70-100,509,052.10

Finding the Fourth Proportional to 165,079,133.60, 247,778,132.70 and 100,509,052.10

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Solution

The fourth proportional to 165,079,133.60, 247,778,132.70 and 100,509,052.10 is: 150,860,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079,133.60 : 247,778,132.70 = 100,509,052.10 : x
  2. Step 2: Convert to fraction form
    165,079,133.60/247,778,132.70 = 100,509,052.10/x
  3. Step 3: Cross multiply
    165,079,133.60x = 247,778,132.70 × 100,509,052.10
  4. Step 4: Simplify right side
    165,079,133.60x = 24,903,945,248,785,012
  5. Step 5: Solve for x
    x = 24,903,945,248,785,012/165,079,133.60
  6. Step 6: Final answer
    x = 150,860,649.11

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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.