Home / 88,097,020.80-121,577,336.64-60,278,078.40

Finding the Fourth Proportional to 88,097,020.80, 121,577,336.64 and 60,278,078.40

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Solution

The fourth proportional to 88,097,020.80, 121,577,336.64 and 60,278,078.40 is: 83,186,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097,020.80 : 121,577,336.64 = 60,278,078.40 : x
  2. Step 2: Convert to fraction form
    88,097,020.80/121,577,336.64 = 60,278,078.40/x
  3. Step 3: Cross multiply
    88,097,020.80x = 121,577,336.64 × 60,278,078.40
  4. Step 4: Simplify right side
    88,097,020.80x = 7,328,448,229,649,112
  5. Step 5: Solve for x
    x = 7,328,448,229,649,112/88,097,020.80
  6. Step 6: Final answer
    x = 83,186,107.35

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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.