Home / 88,136,668.80-132,225,998.40-42,661,065.60

Finding the Fourth Proportional to 88,136,668.80, 132,225,998.40 and 42,661,065.60

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Solution

The fourth proportional to 88,136,668.80, 132,225,998.40 and 42,661,065.60 is: 64,001,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136,668.80 : 132,225,998.40 = 42,661,065.60 : x
  2. Step 2: Convert to fraction form
    88,136,668.80/132,225,998.40 = 42,661,065.60/x
  3. Step 3: Cross multiply
    88,136,668.80x = 132,225,998.40 × 42,661,065.60
  4. Step 4: Simplify right side
    88,136,668.80x = 5,640,901,991,767,895
  5. Step 5: Solve for x
    x = 5,640,901,991,767,895/88,136,668.80
  6. Step 6: Final answer
    x = 64,001,760.77

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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.