Home / 255,254,326.38-382,977,984.87-99,919,149.14

Finding the Fourth Proportional to 255,254,326.38, 382,977,984.87 and 99,919,149.14

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Solution

The fourth proportional to 255,254,326.38, 382,977,984.87 and 99,919,149.14 is: 149,916,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,254,326.38 : 382,977,984.87 = 99,919,149.14 : x
  2. Step 2: Convert to fraction form
    255,254,326.38/382,977,984.87 = 99,919,149.14/x
  3. Step 3: Cross multiply
    255,254,326.38x = 382,977,984.87 × 99,919,149.14
  4. Step 4: Simplify right side
    255,254,326.38x = 38,266,834,388,519,640
  5. Step 5: Solve for x
    x = 38,266,834,388,519,640/255,254,326.38
  6. Step 6: Final answer
    x = 149,916,496.74

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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.