Home / 71,035,392.86-97,974,825.56-61,128,972.78

Finding the Fourth Proportional to 71,035,392.86, 97,974,825.56 and 61,128,972.78

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Solution

The fourth proportional to 71,035,392.86, 97,974,825.56 and 61,128,972.78 is: 84,311,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035,392.86 : 97,974,825.56 = 61,128,972.78 : x
  2. Step 2: Convert to fraction form
    71,035,392.86/97,974,825.56 = 61,128,972.78/x
  3. Step 3: Cross multiply
    71,035,392.86x = 97,974,825.56 × 61,128,972.78
  4. Step 4: Simplify right side
    71,035,392.86x = 5,989,100,445,233,630
  5. Step 5: Solve for x
    x = 5,989,100,445,233,630/71,035,392.86
  6. Step 6: Final answer
    x = 84,311,498.87

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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.