Home / 64,045,793.46-96,074,596.02-20,915,222.88

Finding the Fourth Proportional to 64,045,793.46, 96,074,596.02 and 20,915,222.88

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Solution

The fourth proportional to 64,045,793.46, 96,074,596.02 and 20,915,222.88 is: 31,374,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,793.46 : 96,074,596.02 = 20,915,222.88 : x
  2. Step 2: Convert to fraction form
    64,045,793.46/96,074,596.02 = 20,915,222.88/x
  3. Step 3: Cross multiply
    64,045,793.46x = 96,074,596.02 × 20,915,222.88
  4. Step 4: Simplify right side
    64,045,793.46x = 2,009,421,588,864,260.75
  5. Step 5: Solve for x
    x = 2,009,421,588,864,260.75/64,045,793.46
  6. Step 6: Final answer
    x = 31,374,762.97

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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.