Home / 65,310,985.68-90,129,134.14-35,942,318.20

Finding the Fourth Proportional to 65,310,985.68, 90,129,134.14 and 35,942,318.20

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Solution

The fourth proportional to 65,310,985.68, 90,129,134.14 and 35,942,318.20 is: 49,600,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310,985.68 : 90,129,134.14 = 35,942,318.20 : x
  2. Step 2: Convert to fraction form
    65,310,985.68/90,129,134.14 = 35,942,318.20/x
  3. Step 3: Cross multiply
    65,310,985.68x = 90,129,134.14 × 35,942,318.20
  4. Step 4: Simplify right side
    65,310,985.68x = 3,239,450,018,350,363.50
  5. Step 5: Solve for x
    x = 3,239,450,018,350,363.50/65,310,985.68
  6. Step 6: Final answer
    x = 49,600,384.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.