Home / 70,732,901.46-97,611,408.54-39,370,275.30

Finding the Fourth Proportional to 70,732,901.46, 97,611,408.54 and 39,370,275.30

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Solution

The fourth proportional to 70,732,901.46, 97,611,408.54 and 39,370,275.30 is: 54,330,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732,901.46 : 97,611,408.54 = 39,370,275.30 : x
  2. Step 2: Convert to fraction form
    70,732,901.46/97,611,408.54 = 39,370,275.30/x
  3. Step 3: Cross multiply
    70,732,901.46x = 97,611,408.54 × 39,370,275.30
  4. Step 4: Simplify right side
    70,732,901.46x = 3,842,988,026,640,571
  5. Step 5: Solve for x
    x = 3,842,988,026,640,571/70,732,901.46
  6. Step 6: Final answer
    x = 54,330,982.43

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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.