Home / 81,842,611.28-112,925,943.57-47,028,575.67

Finding the Fourth Proportional to 81,842,611.28, 112,925,943.57 and 47,028,575.67

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Solution

The fourth proportional to 81,842,611.28, 112,925,943.57 and 47,028,575.67 is: 64,889,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842,611.28 : 112,925,943.57 = 47,028,575.67 : x
  2. Step 2: Convert to fraction form
    81,842,611.28/112,925,943.57 = 47,028,575.67/x
  3. Step 3: Cross multiply
    81,842,611.28x = 112,925,943.57 × 47,028,575.67
  4. Step 4: Simplify right side
    81,842,611.28x = 5,310,746,281,965,129
  5. Step 5: Solve for x
    x = 5,310,746,281,965,129/81,842,611.28
  6. Step 6: Final answer
    x = 64,889,746.30

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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.