Home / 161,986,246.66-223,540,875.57-91,436,707.36

Finding the Fourth Proportional to 161,986,246.66, 223,540,875.57 and 91,436,707.36

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Solution

The fourth proportional to 161,986,246.66, 223,540,875.57 and 91,436,707.36 is: 126,182,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986,246.66 : 223,540,875.57 = 91,436,707.36 : x
  2. Step 2: Convert to fraction form
    161,986,246.66/223,540,875.57 = 91,436,707.36/x
  3. Step 3: Cross multiply
    161,986,246.66x = 223,540,875.57 × 91,436,707.36
  4. Step 4: Simplify right side
    161,986,246.66x = 20,439,841,622,492,264
  5. Step 5: Solve for x
    x = 20,439,841,622,492,264/161,986,246.66
  6. Step 6: Final answer
    x = 126,182,574.41

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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.