Home / 70,281,621.14-105,285,142.33-48,418,138.42

Finding the Fourth Proportional to 70,281,621.14, 105,285,142.33 and 48,418,138.42

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Solution

The fourth proportional to 70,281,621.14, 105,285,142.33 and 48,418,138.42 is: 72,532,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281,621.14 : 105,285,142.33 = 48,418,138.42 : x
  2. Step 2: Convert to fraction form
    70,281,621.14/105,285,142.33 = 48,418,138.42/x
  3. Step 3: Cross multiply
    70,281,621.14x = 105,285,142.33 × 48,418,138.42
  4. Step 4: Simplify right side
    70,281,621.14x = 5,097,710,594,903,341
  5. Step 5: Solve for x
    x = 5,097,710,594,903,341/70,281,621.14
  6. Step 6: Final answer
    x = 72,532,626.77

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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.