Home / 80,224,643.64-110,813,858.40-66,342,074.28

Finding the Fourth Proportional to 80,224,643.64, 110,813,858.40 and 66,342,074.28

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Solution

The fourth proportional to 80,224,643.64, 110,813,858.40 and 66,342,074.28 is: 91,637,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,643.64 : 110,813,858.40 = 66,342,074.28 : x
  2. Step 2: Convert to fraction form
    80,224,643.64/110,813,858.40 = 66,342,074.28/x
  3. Step 3: Cross multiply
    80,224,643.64x = 110,813,858.40 × 66,342,074.28
  4. Step 4: Simplify right side
    80,224,643.64x = 7,351,621,225,226,202
  5. Step 5: Solve for x
    x = 7,351,621,225,226,202/80,224,643.64
  6. Step 6: Final answer
    x = 91,637,941.81

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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.