Home / 65,186,234.78-97,862,322.90-42,253,133.68

Finding the Fourth Proportional to 65,186,234.78, 97,862,322.90 and 42,253,133.68

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Solution

The fourth proportional to 65,186,234.78, 97,862,322.90 and 42,253,133.68 is: 63,433,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,186,234.78 : 97,862,322.90 = 42,253,133.68 : x
  2. Step 2: Convert to fraction form
    65,186,234.78/97,862,322.90 = 42,253,133.68/x
  3. Step 3: Cross multiply
    65,186,234.78x = 97,862,322.90 × 42,253,133.68
  4. Step 4: Simplify right side
    65,186,234.78x = 4,134,989,811,729,025.50
  5. Step 5: Solve for x
    x = 4,134,989,811,729,025.50/65,186,234.78
  6. Step 6: Final answer
    x = 63,433,481.40

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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.