Home / 53,220,960.40-79,831,440.60-47,835,691.60

Finding the Fourth Proportional to 53,220,960.40, 79,831,440.60 and 47,835,691.60

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Solution

The fourth proportional to 53,220,960.40, 79,831,440.60 and 47,835,691.60 is: 71,753,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220,960.40 : 79,831,440.60 = 47,835,691.60 : x
  2. Step 2: Convert to fraction form
    53,220,960.40/79,831,440.60 = 47,835,691.60/x
  3. Step 3: Cross multiply
    53,220,960.40x = 79,831,440.60 × 47,835,691.60
  4. Step 4: Simplify right side
    53,220,960.40x = 3,818,792,172,525,319
  5. Step 5: Solve for x
    x = 3,818,792,172,525,319/53,220,960.40
  6. Step 6: Final answer
    x = 71,753,537.40

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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.