Home / 72,448,152.80-108,798,200.40-38,435,928.80

Finding the Fourth Proportional to 72,448,152.80, 108,798,200.40 and 38,435,928.80

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Solution

The fourth proportional to 72,448,152.80, 108,798,200.40 and 38,435,928.80 is: 57,720,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448,152.80 : 108,798,200.40 = 38,435,928.80 : x
  2. Step 2: Convert to fraction form
    72,448,152.80/108,798,200.40 = 38,435,928.80/x
  3. Step 3: Cross multiply
    72,448,152.80x = 108,798,200.40 × 38,435,928.80
  4. Step 4: Simplify right side
    72,448,152.80x = 4,181,759,884,142,531.50
  5. Step 5: Solve for x
    x = 4,181,759,884,142,531.50/72,448,152.80
  6. Step 6: Final answer
    x = 57,720,724.72

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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.