Home / 53,220,180.40-79,830,270.60-47,834,911.60

Finding the Fourth Proportional to 53,220,180.40, 79,830,270.60 and 47,834,911.60

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Solution

The fourth proportional to 53,220,180.40, 79,830,270.60 and 47,834,911.60 is: 71,752,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220,180.40 : 79,830,270.60 = 47,834,911.60 : x
  2. Step 2: Convert to fraction form
    53,220,180.40/79,830,270.60 = 47,834,911.60/x
  3. Step 3: Cross multiply
    53,220,180.40x = 79,830,270.60 × 47,834,911.60
  4. Step 4: Simplify right side
    53,220,180.40x = 3,818,673,937,155,079
  5. Step 5: Solve for x
    x = 3,818,673,937,155,079/53,220,180.40
  6. Step 6: Final answer
    x = 71,752,367.40

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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.