Home / 66,725,838.40-100,302,568.80-61,992,500.80

Finding the Fourth Proportional to 66,725,838.40, 100,302,568.80 and 61,992,500.80

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Solution

The fourth proportional to 66,725,838.40, 100,302,568.80 and 61,992,500.80 is: 93,187,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725,838.40 : 100,302,568.80 = 61,992,500.80 : x
  2. Step 2: Convert to fraction form
    66,725,838.40/100,302,568.80 = 61,992,500.80/x
  3. Step 3: Cross multiply
    66,725,838.40x = 100,302,568.80 × 61,992,500.80
  4. Step 4: Simplify right side
    66,725,838.40x = 6,218,007,076,576,055
  5. Step 5: Solve for x
    x = 6,218,007,076,576,055/66,725,838.40
  6. Step 6: Final answer
    x = 93,187,395.25

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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.