Home / 86,407,262.49-129,611,025.18-35,289,281.30

Finding the Fourth Proportional to 86,407,262.49, 129,611,025.18 and 35,289,281.30

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Solution

The fourth proportional to 86,407,262.49, 129,611,025.18 and 35,289,281.30 is: 52,933,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,262.49 : 129,611,025.18 = 35,289,281.30 : x
  2. Step 2: Convert to fraction form
    86,407,262.49/129,611,025.18 = 35,289,281.30/x
  3. Step 3: Cross multiply
    86,407,262.49x = 129,611,025.18 × 35,289,281.30
  4. Step 4: Simplify right side
    86,407,262.49x = 4,573,879,926,981,956
  5. Step 5: Solve for x
    x = 4,573,879,926,981,956/86,407,262.49
  6. Step 6: Final answer
    x = 52,933,975.63

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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.