Home / 70,136,100.56-105,214,026.24-21,617,865.20

Finding the Fourth Proportional to 70,136,100.56, 105,214,026.24 and 21,617,865.20

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Solution

The fourth proportional to 70,136,100.56, 105,214,026.24 and 21,617,865.20 is: 32,429,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,100.56 : 105,214,026.24 = 21,617,865.20 : x
  2. Step 2: Convert to fraction form
    70,136,100.56/105,214,026.24 = 21,617,865.20/x
  3. Step 3: Cross multiply
    70,136,100.56x = 105,214,026.24 × 21,617,865.20
  4. Step 4: Simplify right side
    70,136,100.56x = 2,274,502,636,405,582.50
  5. Step 5: Solve for x
    x = 2,274,502,636,405,582.50/70,136,100.56
  6. Step 6: Final answer
    x = 32,429,841.67

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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.