Home / 115,028,166.69-172,627,944.12-84,401,886.60

Finding the Fourth Proportional to 115,028,166.69, 172,627,944.12 and 84,401,886.60

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Solution

The fourth proportional to 115,028,166.69, 172,627,944.12 and 84,401,886.60 is: 126,665,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,028,166.69 : 172,627,944.12 = 84,401,886.60 : x
  2. Step 2: Convert to fraction form
    115,028,166.69/172,627,944.12 = 84,401,886.60/x
  3. Step 3: Cross multiply
    115,028,166.69x = 172,627,944.12 × 84,401,886.60
  4. Step 4: Simplify right side
    115,028,166.69x = 14,570,124,163,607,376
  5. Step 5: Solve for x
    x = 14,570,124,163,607,376/115,028,166.69
  6. Step 6: Final answer
    x = 126,665,707.91

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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.