Home / 117,231,554.80-161,673,681.90-73,182,641.02

Finding the Fourth Proportional to 117,231,554.80, 161,673,681.90 and 73,182,641.02

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Solution

The fourth proportional to 117,231,554.80, 161,673,681.90 and 73,182,641.02 is: 100,925,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,231,554.80 : 161,673,681.90 = 73,182,641.02 : x
  2. Step 2: Convert to fraction form
    117,231,554.80/161,673,681.90 = 73,182,641.02/x
  3. Step 3: Cross multiply
    117,231,554.80x = 161,673,681.90 × 73,182,641.02
  4. Step 4: Simplify right side
    117,231,554.80x = 11,831,707,024,869,372
  5. Step 5: Solve for x
    x = 11,831,707,024,869,372/117,231,554.80
  6. Step 6: Final answer
    x = 100,925,958.42

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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.