Home / 99,043,873.32-136,684,814.00-54,990,874.29

Finding the Fourth Proportional to 99,043,873.32, 136,684,814.00 and 54,990,874.29

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Solution

The fourth proportional to 99,043,873.32, 136,684,814.00 and 54,990,874.29 is: 75,889,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,873.32 : 136,684,814.00 = 54,990,874.29 : x
  2. Step 2: Convert to fraction form
    99,043,873.32/136,684,814.00 = 54,990,874.29/x
  3. Step 3: Cross multiply
    99,043,873.32x = 136,684,814.00 × 54,990,874.29
  4. Step 4: Simplify right side
    99,043,873.32x = 7,516,417,423,751,078
  5. Step 5: Solve for x
    x = 7,516,417,423,751,078/99,043,873.32
  6. Step 6: Final answer
    x = 75,889,776.64

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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.