Home / 218,739,629.84-328,181,274.84-89,455,969.04

Finding the Fourth Proportional to 218,739,629.84, 328,181,274.84 and 89,455,969.04

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Solution

The fourth proportional to 218,739,629.84, 328,181,274.84 and 89,455,969.04 is: 134,213,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,739,629.84 : 328,181,274.84 = 89,455,969.04 : x
  2. Step 2: Convert to fraction form
    218,739,629.84/328,181,274.84 = 89,455,969.04/x
  3. Step 3: Cross multiply
    218,739,629.84x = 328,181,274.84 × 89,455,969.04
  4. Step 4: Simplify right side
    218,739,629.84x = 29,357,773,961,594,772
  5. Step 5: Solve for x
    x = 29,357,773,961,594,772/218,739,629.84
  6. Step 6: Final answer
    x = 134,213,329.26

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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.