Home / 145,387,340.60-218,081,010.90-104,572,671.80

Finding the Fourth Proportional to 145,387,340.60, 218,081,010.90 and 104,572,671.80

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Solution

The fourth proportional to 145,387,340.60, 218,081,010.90 and 104,572,671.80 is: 156,859,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,387,340.60 : 218,081,010.90 = 104,572,671.80 : x
  2. Step 2: Convert to fraction form
    145,387,340.60/218,081,010.90 = 104,572,671.80/x
  3. Step 3: Cross multiply
    145,387,340.60x = 218,081,010.90 × 104,572,671.80
  4. Step 4: Simplify right side
    145,387,340.60x = 22,805,313,978,657,924
  5. Step 5: Solve for x
    x = 22,805,313,978,657,924/145,387,340.60
  6. Step 6: Final answer
    x = 156,859,007.70

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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.