Home / 65,457,235.40-98,170,106.70-20,019,423.56

Finding the Fourth Proportional to 65,457,235.40, 98,170,106.70 and 20,019,423.56

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Solution

The fourth proportional to 65,457,235.40, 98,170,106.70 and 20,019,423.56 is: 30,024,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457,235.40 : 98,170,106.70 = 20,019,423.56 : x
  2. Step 2: Convert to fraction form
    65,457,235.40/98,170,106.70 = 20,019,423.56/x
  3. Step 3: Cross multiply
    65,457,235.40x = 98,170,106.70 × 20,019,423.56
  4. Step 4: Simplify right side
    65,457,235.40x = 1,965,308,946,957,693.75
  5. Step 5: Solve for x
    x = 1,965,308,946,957,693.75/65,457,235.40
  6. Step 6: Final answer
    x = 30,024,319.47

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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.