Home / 147,084,339.84-202,973,912.64-81,010,991.04

Finding the Fourth Proportional to 147,084,339.84, 202,973,912.64 and 81,010,991.04

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Solution

The fourth proportional to 147,084,339.84, 202,973,912.64 and 81,010,991.04 is: 111,793,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,084,339.84 : 202,973,912.64 = 81,010,991.04 : x
  2. Step 2: Convert to fraction form
    147,084,339.84/202,973,912.64 = 81,010,991.04/x
  3. Step 3: Cross multiply
    147,084,339.84x = 202,973,912.64 × 81,010,991.04
  4. Step 4: Simplify right side
    147,084,339.84x = 16,443,117,818,232,782
  5. Step 5: Solve for x
    x = 16,443,117,818,232,782/147,084,339.84
  6. Step 6: Final answer
    x = 111,793,803.72

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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.