Home / 99,613,464.60-137,414,303.10-81,049,362.96

Finding the Fourth Proportional to 99,613,464.60, 137,414,303.10 and 81,049,362.96

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Solution

The fourth proportional to 99,613,464.60, 137,414,303.10 and 81,049,362.96 is: 111,805,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,464.60 : 137,414,303.10 = 81,049,362.96 : x
  2. Step 2: Convert to fraction form
    99,613,464.60/137,414,303.10 = 81,049,362.96/x
  3. Step 3: Cross multiply
    99,613,464.60x = 137,414,303.10 × 81,049,362.96
  4. Step 4: Simplify right side
    99,613,464.60x = 11,137,341,727,847,352
  5. Step 5: Solve for x
    x = 11,137,341,727,847,352/99,613,464.60
  6. Step 6: Final answer
    x = 111,805,585.45

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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.