Home / 275,720,356.60-413,155,382.10-239,157,215.80

Finding the Fourth Proportional to 275,720,356.60, 413,155,382.10 and 239,157,215.80

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Solution

The fourth proportional to 275,720,356.60, 413,155,382.10 and 239,157,215.80 is: 358,367,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,720,356.60 : 413,155,382.10 = 239,157,215.80 : x
  2. Step 2: Convert to fraction form
    275,720,356.60/413,155,382.10 = 239,157,215.80/x
  3. Step 3: Cross multiply
    275,720,356.60x = 413,155,382.10 × 239,157,215.80
  4. Step 4: Simplify right side
    275,720,356.60x = 98,809,090,875,821,168
  5. Step 5: Solve for x
    x = 98,809,090,875,821,168/275,720,356.60
  6. Step 6: Final answer
    x = 358,367,050.20

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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.