Home / 82,312,955-113,593,963.56-45,144,715.04

Finding the Fourth Proportional to 82,312,955, 113,593,963.56 and 45,144,715.04

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Solution

The fourth proportional to 82,312,955, 113,593,963.56 and 45,144,715.04 is: 62,300,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,312,955 : 113,593,963.56 = 45,144,715.04 : x
  2. Step 2: Convert to fraction form
    82,312,955/113,593,963.56 = 45,144,715.04/x
  3. Step 3: Cross multiply
    82,312,955x = 113,593,963.56 × 45,144,715.04
  4. Step 4: Simplify right side
    82,312,955x = 5,128,167,115,180,344
  5. Step 5: Solve for x
    x = 5,128,167,115,180,344/82,312,955
  6. Step 6: Final answer
    x = 62,300,850.64

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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.