Home / 72,171,816.60-108,257,724.90-70,046,052.60

Finding the Fourth Proportional to 72,171,816.60, 108,257,724.90 and 70,046,052.60

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Solution

The fourth proportional to 72,171,816.60, 108,257,724.90 and 70,046,052.60 is: 105,069,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,816.60 : 108,257,724.90 = 70,046,052.60 : x
  2. Step 2: Convert to fraction form
    72,171,816.60/108,257,724.90 = 70,046,052.60/x
  3. Step 3: Cross multiply
    72,171,816.60x = 108,257,724.90 × 70,046,052.60
  4. Step 4: Simplify right side
    72,171,816.60x = 7,583,026,292,701,730
  5. Step 5: Solve for x
    x = 7,583,026,292,701,730/72,171,816.60
  6. Step 6: Final answer
    x = 105,069,078.90

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Similar ratio
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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.