Home / 166,386,975.12-229,607,127.66-91,032,933.31

Finding the Fourth Proportional to 166,386,975.12, 229,607,127.66 and 91,032,933.31

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Solution

The fourth proportional to 166,386,975.12, 229,607,127.66 and 91,032,933.31 is: 125,621,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386,975.12 : 229,607,127.66 = 91,032,933.31 : x
  2. Step 2: Convert to fraction form
    166,386,975.12/229,607,127.66 = 91,032,933.31/x
  3. Step 3: Cross multiply
    166,386,975.12x = 229,607,127.66 × 91,032,933.31
  4. Step 4: Simplify right side
    166,386,975.12x = 20,901,810,339,773,436
  5. Step 5: Solve for x
    x = 20,901,810,339,773,436/166,386,975.12
  6. Step 6: Final answer
    x = 125,621,673.96

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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.