Home / 158,661,167.68-218,973,776.96-89,050,356.64

Finding the Fourth Proportional to 158,661,167.68, 218,973,776.96 and 89,050,356.64

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Solution

The fourth proportional to 158,661,167.68, 218,973,776.96 and 89,050,356.64 is: 122,901,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,661,167.68 : 218,973,776.96 = 89,050,356.64 : x
  2. Step 2: Convert to fraction form
    158,661,167.68/218,973,776.96 = 89,050,356.64/x
  3. Step 3: Cross multiply
    158,661,167.68x = 218,973,776.96 × 89,050,356.64
  4. Step 4: Simplify right side
    158,661,167.68x = 19,499,692,933,095,816
  5. Step 5: Solve for x
    x = 19,499,692,933,095,816/158,661,167.68
  6. Step 6: Final answer
    x = 122,901,483.82

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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.