Home / 65,172,831.80-97,759,247.70-19,734,626.30

Finding the Fourth Proportional to 65,172,831.80, 97,759,247.70 and 19,734,626.30

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Solution

The fourth proportional to 65,172,831.80, 97,759,247.70 and 19,734,626.30 is: 29,601,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172,831.80 : 97,759,247.70 = 19,734,626.30 : x
  2. Step 2: Convert to fraction form
    65,172,831.80/97,759,247.70 = 19,734,626.30/x
  3. Step 3: Cross multiply
    65,172,831.80x = 97,759,247.70 × 19,734,626.30
  4. Step 4: Simplify right side
    65,172,831.80x = 1,929,242,220,728,634.75
  5. Step 5: Solve for x
    x = 1,929,242,220,728,634.75/65,172,831.80
  6. Step 6: Final answer
    x = 29,601,939.45

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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.