Home / 103,623,659.20-155,535,021.60-52,563,332.80

Finding the Fourth Proportional to 103,623,659.20, 155,535,021.60 and 52,563,332.80

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Solution

The fourth proportional to 103,623,659.20, 155,535,021.60 and 52,563,332.80 is: 78,895,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623,659.20 : 155,535,021.60 = 52,563,332.80 : x
  2. Step 2: Convert to fraction form
    103,623,659.20/155,535,021.60 = 52,563,332.80/x
  3. Step 3: Cross multiply
    103,623,659.20x = 155,535,021.60 × 52,563,332.80
  4. Step 4: Simplify right side
    103,623,659.20x = 8,175,439,102,415,988
  5. Step 5: Solve for x
    x = 8,175,439,102,415,988/103,623,659.20
  6. Step 6: Final answer
    x = 78,895,487.44

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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.