Home / 207,221,557.95-285,964,269.39-113,135,701.82

Finding the Fourth Proportional to 207,221,557.95, 285,964,269.39 and 113,135,701.82

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Solution

The fourth proportional to 207,221,557.95, 285,964,269.39 and 113,135,701.82 is: 156,126,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,221,557.95 : 285,964,269.39 = 113,135,701.82 : x
  2. Step 2: Convert to fraction form
    207,221,557.95/285,964,269.39 = 113,135,701.82/x
  3. Step 3: Cross multiply
    207,221,557.95x = 285,964,269.39 × 113,135,701.82
  4. Step 4: Simplify right side
    207,221,557.95x = 32,352,768,311,451,368
  5. Step 5: Solve for x
    x = 32,352,768,311,451,368/207,221,557.95
  6. Step 6: Final answer
    x = 156,126,460.16

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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.