Home / 47,969,421.84-66,167,326.62-31,450,617.36

Finding the Fourth Proportional to 47,969,421.84, 66,167,326.62 and 31,450,617.36

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Solution

The fourth proportional to 47,969,421.84, 66,167,326.62 and 31,450,617.36 is: 43,381,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969,421.84 : 66,167,326.62 = 31,450,617.36 : x
  2. Step 2: Convert to fraction form
    47,969,421.84/66,167,326.62 = 31,450,617.36/x
  3. Step 3: Cross multiply
    47,969,421.84x = 66,167,326.62 × 31,450,617.36
  4. Step 4: Simplify right side
    47,969,421.84x = 2,081,003,271,259,762
  5. Step 5: Solve for x
    x = 2,081,003,271,259,762/47,969,421.84
  6. Step 6: Final answer
    x = 43,381,871.02

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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.