Home / 108,875,999.80-163,313,999.70-54,456,441.40

Finding the Fourth Proportional to 108,875,999.80, 163,313,999.70 and 54,456,441.40

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Solution

The fourth proportional to 108,875,999.80, 163,313,999.70 and 54,456,441.40 is: 81,684,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,999.80 : 163,313,999.70 = 54,456,441.40 : x
  2. Step 2: Convert to fraction form
    108,875,999.80/163,313,999.70 = 54,456,441.40/x
  3. Step 3: Cross multiply
    108,875,999.80x = 163,313,999.70 × 54,456,441.40
  4. Step 4: Simplify right side
    108,875,999.80x = 8,893,499,254,462,667
  5. Step 5: Solve for x
    x = 8,893,499,254,462,667/108,875,999.80
  6. Step 6: Final answer
    x = 81,684,662.10

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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.