Home / 125,702,798.97-173,371,589.67-81,663,987.11

Finding the Fourth Proportional to 125,702,798.97, 173,371,589.67 and 81,663,987.11

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Solution

The fourth proportional to 125,702,798.97, 173,371,589.67 and 81,663,987.11 is: 112,632,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,702,798.97 : 173,371,589.67 = 81,663,987.11 : x
  2. Step 2: Convert to fraction form
    125,702,798.97/173,371,589.67 = 81,663,987.11/x
  3. Step 3: Cross multiply
    125,702,798.97x = 173,371,589.67 × 81,663,987.11
  4. Step 4: Simplify right side
    125,702,798.97x = 14,158,215,263,184,230
  5. Step 5: Solve for x
    x = 14,158,215,263,184,230/125,702,798.97
  6. Step 6: Final answer
    x = 112,632,458.30

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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.