Home / 161,752,002.80-242,628,004.20-145,627,689.20

Finding the Fourth Proportional to 161,752,002.80, 242,628,004.20 and 145,627,689.20

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Solution

The fourth proportional to 161,752,002.80, 242,628,004.20 and 145,627,689.20 is: 218,441,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752,002.80 : 242,628,004.20 = 145,627,689.20 : x
  2. Step 2: Convert to fraction form
    161,752,002.80/242,628,004.20 = 145,627,689.20/x
  3. Step 3: Cross multiply
    161,752,002.80x = 242,628,004.20 × 145,627,689.20
  4. Step 4: Simplify right side
    161,752,002.80x = 35,333,355,586,853,892
  5. Step 5: Solve for x
    x = 35,333,355,586,853,892/161,752,002.80
  6. Step 6: Final answer
    x = 218,441,533.80

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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.