Home / 65,541,816.08-90,447,898-35,772,738.40

Finding the Fourth Proportional to 65,541,816.08, 90,447,898 and 35,772,738.40

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Solution

The fourth proportional to 65,541,816.08, 90,447,898 and 35,772,738.40 is: 49,366,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541,816.08 : 90,447,898 = 35,772,738.40 : x
  2. Step 2: Convert to fraction form
    65,541,816.08/90,447,898 = 35,772,738.40/x
  3. Step 3: Cross multiply
    65,541,816.08x = 90,447,898 × 35,772,738.40
  4. Step 4: Simplify right side
    65,541,816.08x = 3,235,568,993,983,883
  5. Step 5: Solve for x
    x = 3,235,568,993,983,883/65,541,816.08
  6. Step 6: Final answer
    x = 49,366,483.68

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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.