Home / 98,009,505.32-135,261,023.18-56,197,460.61

Finding the Fourth Proportional to 98,009,505.32, 135,261,023.18 and 56,197,460.61

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Solution

The fourth proportional to 98,009,505.32, 135,261,023.18 and 56,197,460.61 is: 77,557,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,009,505.32 : 135,261,023.18 = 56,197,460.61 : x
  2. Step 2: Convert to fraction form
    98,009,505.32/135,261,023.18 = 56,197,460.61/x
  3. Step 3: Cross multiply
    98,009,505.32x = 135,261,023.18 × 56,197,460.61
  4. Step 4: Simplify right side
    98,009,505.32x = 7,601,326,021,945,360
  5. Step 5: Solve for x
    x = 7,601,326,021,945,360/98,009,505.32
  6. Step 6: Final answer
    x = 77,557,028.75

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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.