Home / 199,556,681.80-299,335,022.70-108,857,417.80

Finding the Fourth Proportional to 199,556,681.80, 299,335,022.70 and 108,857,417.80

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Solution

The fourth proportional to 199,556,681.80, 299,335,022.70 and 108,857,417.80 is: 163,286,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556,681.80 : 299,335,022.70 = 108,857,417.80 : x
  2. Step 2: Convert to fraction form
    199,556,681.80/299,335,022.70 = 108,857,417.80/x
  3. Step 3: Cross multiply
    199,556,681.80x = 299,335,022.70 × 108,857,417.80
  4. Step 4: Simplify right side
    199,556,681.80x = 32,584,837,628,226,380
  5. Step 5: Solve for x
    x = 32,584,837,628,226,380/199,556,681.80
  6. Step 6: Final answer
    x = 163,286,126.70

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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.