Home / 309,110,459.99-426,576,594.08-167,984,481.77

Finding the Fourth Proportional to 309,110,459.99, 426,576,594.08 and 167,984,481.77

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Solution

The fourth proportional to 309,110,459.99, 426,576,594.08 and 167,984,481.77 is: 231,820,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,110,459.99 : 426,576,594.08 = 167,984,481.77 : x
  2. Step 2: Convert to fraction form
    309,110,459.99/426,576,594.08 = 167,984,481.77/x
  3. Step 3: Cross multiply
    309,110,459.99x = 426,576,594.08 × 167,984,481.77
  4. Step 4: Simplify right side
    309,110,459.99x = 71,658,248,090,900,528
  5. Step 5: Solve for x
    x = 71,658,248,090,900,528/309,110,459.99
  6. Step 6: Final answer
    x = 231,820,845.19

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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.