Home / 53,220,959.40-79,831,439.10-47,835,690.60

Finding the Fourth Proportional to 53,220,959.40, 79,831,439.10 and 47,835,690.60

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Solution

The fourth proportional to 53,220,959.40, 79,831,439.10 and 47,835,690.60 is: 71,753,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220,959.40 : 79,831,439.10 = 47,835,690.60 : x
  2. Step 2: Convert to fraction form
    53,220,959.40/79,831,439.10 = 47,835,690.60/x
  3. Step 3: Cross multiply
    53,220,959.40x = 79,831,439.10 × 47,835,690.60
  4. Step 4: Simplify right side
    53,220,959.40x = 3,818,792,020,940,342.50
  5. Step 5: Solve for x
    x = 3,818,792,020,940,342.50/53,220,959.40
  6. Step 6: Final answer
    x = 71,753,535.90

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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.