Home / 82,378,219.30-113,674,429.28-48,881,926.74

Finding the Fourth Proportional to 82,378,219.30, 113,674,429.28 and 48,881,926.74

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Solution

The fourth proportional to 82,378,219.30, 113,674,429.28 and 48,881,926.74 is: 67,452,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378,219.30 : 113,674,429.28 = 48,881,926.74 : x
  2. Step 2: Convert to fraction form
    82,378,219.30/113,674,429.28 = 48,881,926.74/x
  3. Step 3: Cross multiply
    82,378,219.30x = 113,674,429.28 × 48,881,926.74
  4. Step 4: Simplify right side
    82,378,219.30x = 5,556,625,124,276,271
  5. Step 5: Solve for x
    x = 5,556,625,124,276,271/82,378,219.30
  6. Step 6: Final answer
    x = 67,452,600.60

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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.