Home / 99,109,665.05-136,775,216.16-67,813,353.36

Finding the Fourth Proportional to 99,109,665.05, 136,775,216.16 and 67,813,353.36

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Solution

The fourth proportional to 99,109,665.05, 136,775,216.16 and 67,813,353.36 is: 93,585,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,109,665.05 : 136,775,216.16 = 67,813,353.36 : x
  2. Step 2: Convert to fraction form
    99,109,665.05/136,775,216.16 = 67,813,353.36/x
  3. Step 3: Cross multiply
    99,109,665.05x = 136,775,216.16 × 67,813,353.36
  4. Step 4: Simplify right side
    99,109,665.05x = 9,275,186,064,348,462
  5. Step 5: Solve for x
    x = 9,275,186,064,348,462/99,109,665.05
  6. Step 6: Final answer
    x = 93,585,081.34

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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.