Home / 61,209,076.80-91,813,615.20-53,237,461.80

Finding the Fourth Proportional to 61,209,076.80, 91,813,615.20 and 53,237,461.80

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Solution

The fourth proportional to 61,209,076.80, 91,813,615.20 and 53,237,461.80 is: 79,856,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209,076.80 : 91,813,615.20 = 53,237,461.80 : x
  2. Step 2: Convert to fraction form
    61,209,076.80/91,813,615.20 = 53,237,461.80/x
  3. Step 3: Cross multiply
    61,209,076.80x = 91,813,615.20 × 53,237,461.80
  4. Step 4: Simplify right side
    61,209,076.80x = 4,887,923,831,929,899
  5. Step 5: Solve for x
    x = 4,887,923,831,929,899/61,209,076.80
  6. Step 6: Final answer
    x = 79,856,192.70

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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.