Home / 55,733,870.12-83,579,504.49-18,333,784.64

Finding the Fourth Proportional to 55,733,870.12, 83,579,504.49 and 18,333,784.64

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Solution

The fourth proportional to 55,733,870.12, 83,579,504.49 and 18,333,784.64 is: 27,493,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,733,870.12 : 83,579,504.49 = 18,333,784.64 : x
  2. Step 2: Convert to fraction form
    55,733,870.12/83,579,504.49 = 18,333,784.64/x
  3. Step 3: Cross multiply
    55,733,870.12x = 83,579,504.49 × 18,333,784.64
  4. Step 4: Simplify right side
    55,733,870.12x = 1,532,328,635,637,573
  5. Step 5: Solve for x
    x = 1,532,328,635,637,573/55,733,870.12
  6. Step 6: Final answer
    x = 27,493,670.05

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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.