Home / 70,118,834.46-105,189,552.81-21,596,672.22

Finding the Fourth Proportional to 70,118,834.46, 105,189,552.81 and 21,596,672.22

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Solution

The fourth proportional to 70,118,834.46, 105,189,552.81 and 21,596,672.22 is: 32,398,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118,834.46 : 105,189,552.81 = 21,596,672.22 : x
  2. Step 2: Convert to fraction form
    70,118,834.46/105,189,552.81 = 21,596,672.22/x
  3. Step 3: Cross multiply
    70,118,834.46x = 105,189,552.81 × 21,596,672.22
  4. Step 4: Simplify right side
    70,118,834.46x = 2,271,744,293,005,950
  5. Step 5: Solve for x
    x = 2,271,744,293,005,950/70,118,834.46
  6. Step 6: Final answer
    x = 32,398,489.09

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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.