Home / 99,005,007.16-136,624,850.94-54,949,421.44

Finding the Fourth Proportional to 99,005,007.16, 136,624,850.94 and 54,949,421.44

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Solution

The fourth proportional to 99,005,007.16, 136,624,850.94 and 54,949,421.44 is: 75,829,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005,007.16 : 136,624,850.94 = 54,949,421.44 : x
  2. Step 2: Convert to fraction form
    99,005,007.16/136,624,850.94 = 54,949,421.44/x
  3. Step 3: Cross multiply
    99,005,007.16x = 136,624,850.94 × 54,949,421.44
  4. Step 4: Simplify right side
    99,005,007.16x = 7,507,456,513,479,240
  5. Step 5: Solve for x
    x = 7,507,456,513,479,240/99,005,007.16
  6. Step 6: Final answer
    x = 75,829,058.84

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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.