Home / 72,187,975.20-99,509,198.64-44,258,979.18

Finding the Fourth Proportional to 72,187,975.20, 99,509,198.64 and 44,258,979.18

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Solution

The fourth proportional to 72,187,975.20, 99,509,198.64 and 44,258,979.18 is: 61,009,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187,975.20 : 99,509,198.64 = 44,258,979.18 : x
  2. Step 2: Convert to fraction form
    72,187,975.20/99,509,198.64 = 44,258,979.18/x
  3. Step 3: Cross multiply
    72,187,975.20x = 99,509,198.64 × 44,258,979.18
  4. Step 4: Simplify right side
    72,187,975.20x = 4,404,175,550,826,244.50
  5. Step 5: Solve for x
    x = 4,404,175,550,826,244.50/72,187,975.20
  6. Step 6: Final answer
    x = 61,009,822.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.