Home / 80,248,388.03-120,334,643.06-31,087,268.82

Finding the Fourth Proportional to 80,248,388.03, 120,334,643.06 and 31,087,268.82

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Solution

The fourth proportional to 80,248,388.03, 120,334,643.06 and 31,087,268.82 is: 46,616,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,388.03 : 120,334,643.06 = 31,087,268.82 : x
  2. Step 2: Convert to fraction form
    80,248,388.03/120,334,643.06 = 31,087,268.82/x
  3. Step 3: Cross multiply
    80,248,388.03x = 120,334,643.06 × 31,087,268.82
  4. Step 4: Simplify right side
    80,248,388.03x = 3,740,875,397,009,531.50
  5. Step 5: Solve for x
    x = 3,740,875,397,009,531.50/80,248,388.03
  6. Step 6: Final answer
    x = 46,616,206.12

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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.