Home / 82,851,728.12-114,336,281.40-45,682,080.32

Finding the Fourth Proportional to 82,851,728.12, 114,336,281.40 and 45,682,080.32

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Solution

The fourth proportional to 82,851,728.12, 114,336,281.40 and 45,682,080.32 is: 63,041,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,851,728.12 : 114,336,281.40 = 45,682,080.32 : x
  2. Step 2: Convert to fraction form
    82,851,728.12/114,336,281.40 = 45,682,080.32/x
  3. Step 3: Cross multiply
    82,851,728.12x = 114,336,281.40 × 45,682,080.32
  4. Step 4: Simplify right side
    82,851,728.12x = 5,223,119,190,404,922
  5. Step 5: Solve for x
    x = 5,223,119,190,404,922/82,851,728.12
  6. Step 6: Final answer
    x = 63,041,765.20

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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.