Home / 80,852,643.70-121,278,965.55-23,346,790.90

Finding the Fourth Proportional to 80,852,643.70, 121,278,965.55 and 23,346,790.90

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Solution

The fourth proportional to 80,852,643.70, 121,278,965.55 and 23,346,790.90 is: 35,020,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,643.70 : 121,278,965.55 = 23,346,790.90 : x
  2. Step 2: Convert to fraction form
    80,852,643.70/121,278,965.55 = 23,346,790.90/x
  3. Step 3: Cross multiply
    80,852,643.70x = 121,278,965.55 × 23,346,790.90
  4. Step 4: Simplify right side
    80,852,643.70x = 2,831,474,649,264,153
  5. Step 5: Solve for x
    x = 2,831,474,649,264,153/80,852,643.70
  6. Step 6: Final answer
    x = 35,020,186.35

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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.