Home / 80,774,005.60-121,161,699.60-26,921,317.60

Finding the Fourth Proportional to 80,774,005.60, 121,161,699.60 and 26,921,317.60

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Solution

The fourth proportional to 80,774,005.60, 121,161,699.60 and 26,921,317.60 is: 40,382,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,774,005.60 : 121,161,699.60 = 26,921,317.60 : x
  2. Step 2: Convert to fraction form
    80,774,005.60/121,161,699.60 = 26,921,317.60/x
  3. Step 3: Cross multiply
    80,774,005.60x = 121,161,699.60 × 26,921,317.60
  4. Step 4: Simplify right side
    80,774,005.60x = 3,261,832,595,887,393
  5. Step 5: Solve for x
    x = 3,261,832,595,887,393/80,774,005.60
  6. Step 6: Final answer
    x = 40,382,206.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.