Home / 82,945,199.40-124,417,799.10-52,687,228.20

Finding the Fourth Proportional to 82,945,199.40, 124,417,799.10 and 52,687,228.20

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Solution

The fourth proportional to 82,945,199.40, 124,417,799.10 and 52,687,228.20 is: 79,030,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,199.40 : 124,417,799.10 = 52,687,228.20 : x
  2. Step 2: Convert to fraction form
    82,945,199.40/124,417,799.10 = 52,687,228.20/x
  3. Step 3: Cross multiply
    82,945,199.40x = 124,417,799.10 × 52,687,228.20
  4. Step 4: Simplify right side
    82,945,199.40x = 6,555,228,973,323,455
  5. Step 5: Solve for x
    x = 6,555,228,973,323,455/82,945,199.40
  6. Step 6: Final answer
    x = 79,030,842.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.