Home / 165,079,128.60-247,778,125.20-100,509,047.10

Finding the Fourth Proportional to 165,079,128.60, 247,778,125.20 and 100,509,047.10

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Solution

The fourth proportional to 165,079,128.60, 247,778,125.20 and 100,509,047.10 is: 150,860,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079,128.60 : 247,778,125.20 = 100,509,047.10 : x
  2. Step 2: Convert to fraction form
    165,079,128.60/247,778,125.20 = 100,509,047.10/x
  3. Step 3: Cross multiply
    165,079,128.60x = 247,778,125.20 × 100,509,047.10
  4. Step 4: Simplify right side
    165,079,128.60x = 24,903,943,256,076,496
  5. Step 5: Solve for x
    x = 24,903,943,256,076,496/165,079,128.60
  6. Step 6: Final answer
    x = 150,860,641.60

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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.