Home / 82,486,918.80-113,832,017.88-45,317,270.88

Finding the Fourth Proportional to 82,486,918.80, 113,832,017.88 and 45,317,270.88

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Solution

The fourth proportional to 82,486,918.80, 113,832,017.88 and 45,317,270.88 is: 62,537,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486,918.80 : 113,832,017.88 = 45,317,270.88 : x
  2. Step 2: Convert to fraction form
    82,486,918.80/113,832,017.88 = 45,317,270.88/x
  3. Step 3: Cross multiply
    82,486,918.80x = 113,832,017.88 × 45,317,270.88
  4. Step 4: Simplify right side
    82,486,918.80x = 5,158,556,389,084,963
  5. Step 5: Solve for x
    x = 5,158,556,389,084,963/82,486,918.80
  6. Step 6: Final answer
    x = 62,537,872.24

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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.