Home / 79,499,106.80-119,318,644.20-47,110,511.60

Finding the Fourth Proportional to 79,499,106.80, 119,318,644.20 and 47,110,511.60

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Solution

The fourth proportional to 79,499,106.80, 119,318,644.20 and 47,110,511.60 is: 70,707,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499,106.80 : 119,318,644.20 = 47,110,511.60 : x
  2. Step 2: Convert to fraction form
    79,499,106.80/119,318,644.20 = 47,110,511.60/x
  3. Step 3: Cross multiply
    79,499,106.80x = 119,318,644.20 × 47,110,511.60
  4. Step 4: Simplify right side
    79,499,106.80x = 5,621,162,371,680,373
  5. Step 5: Solve for x
    x = 5,621,162,371,680,373/79,499,106.80
  6. Step 6: Final answer
    x = 70,707,239.34

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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.