Home / 81,461,287.53-112,415,786.40-44,291,567.28

Finding the Fourth Proportional to 81,461,287.53, 112,415,786.40 and 44,291,567.28

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Solution

The fourth proportional to 81,461,287.53, 112,415,786.40 and 44,291,567.28 is: 61,121,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,461,287.53 : 112,415,786.40 = 44,291,567.28 : x
  2. Step 2: Convert to fraction form
    81,461,287.53/112,415,786.40 = 44,291,567.28/x
  3. Step 3: Cross multiply
    81,461,287.53x = 112,415,786.40 × 44,291,567.28
  4. Step 4: Simplify right side
    81,461,287.53x = 4,979,071,366,669,709
  5. Step 5: Solve for x
    x = 4,979,071,366,669,709/81,461,287.53
  6. Step 6: Final answer
    x = 61,121,933.10

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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.