Home / 29,109,073,851.45-40,170,521,603.97-15,743,066,980.95

Finding the Fourth Proportional to 29,109,073,851.45, 40,170,521,603.97 and 15,743,066,980.95

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Solution

The fourth proportional to 29,109,073,851.45, 40,170,521,603.97 and 15,743,066,980.95 is: 21,725,432,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109,073,851.45 : 40,170,521,603.97 = 15,743,066,980.95 : x
  2. Step 2: Convert to fraction form
    29,109,073,851.45/40,170,521,603.97 = 15,743,066,980.95/x
  3. Step 3: Cross multiply
    29,109,073,851.45x = 40,170,521,603.97 × 15,743,066,980.95
  4. Step 4: Simplify right side
    29,109,073,851.45x = 632,407,212,271,030,239,232
  5. Step 5: Solve for x
    x = 632,407,212,271,030,239,232/29,109,073,851.45
  6. Step 6: Final answer
    x = 21,725,432,265.50

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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.