Home / 98,009,509.32-135,261,028.70-56,197,464.62

Finding the Fourth Proportional to 98,009,509.32, 135,261,028.70 and 56,197,464.62

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Solution

The fourth proportional to 98,009,509.32, 135,261,028.70 and 56,197,464.62 is: 77,557,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,009,509.32 : 135,261,028.70 = 56,197,464.62 : x
  2. Step 2: Convert to fraction form
    98,009,509.32/135,261,028.70 = 56,197,464.62/x
  3. Step 3: Cross multiply
    98,009,509.32x = 135,261,028.70 × 56,197,464.62
  4. Step 4: Simplify right side
    98,009,509.32x = 7,601,326,874,833,054
  5. Step 5: Solve for x
    x = 7,601,326,874,833,054/98,009,509.32
  6. Step 6: Final answer
    x = 77,557,034.29

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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.