Home / 145,788,230.46-201,188,119.77-79,712,992.38

Finding the Fourth Proportional to 145,788,230.46, 201,188,119.77 and 79,712,992.38

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Solution

The fourth proportional to 145,788,230.46, 201,188,119.77 and 79,712,992.38 is: 110,004,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788,230.46 : 201,188,119.77 = 79,712,992.38 : x
  2. Step 2: Convert to fraction form
    145,788,230.46/201,188,119.77 = 79,712,992.38/x
  3. Step 3: Cross multiply
    145,788,230.46x = 201,188,119.77 × 79,712,992.38
  4. Step 4: Simplify right side
    145,788,230.46x = 16,037,307,058,172,538
  5. Step 5: Solve for x
    x = 16,037,307,058,172,538/145,788,230.46
  6. Step 6: Final answer
    x = 110,004,127.27

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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.