Home / 70,202,423.14-105,217,388.52-39,432,321.58

Finding the Fourth Proportional to 70,202,423.14, 105,217,388.52 and 39,432,321.58

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Solution

The fourth proportional to 70,202,423.14, 105,217,388.52 and 39,432,321.58 is: 59,100,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,202,423.14 : 105,217,388.52 = 39,432,321.58 : x
  2. Step 2: Convert to fraction form
    70,202,423.14/105,217,388.52 = 39,432,321.58/x
  3. Step 3: Cross multiply
    70,202,423.14x = 105,217,388.52 × 39,432,321.58
  4. Step 4: Simplify right side
    70,202,423.14x = 4,148,965,899,928,440
  5. Step 5: Solve for x
    x = 4,148,965,899,928,440/70,202,423.14
  6. Step 6: Final answer
    x = 59,100,038.35

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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.