Home / 91,478,601.60-137,217,902.40-37,608,009.60

Finding the Fourth Proportional to 91,478,601.60, 137,217,902.40 and 37,608,009.60

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Solution

The fourth proportional to 91,478,601.60, 137,217,902.40 and 37,608,009.60 is: 56,412,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,478,601.60 : 137,217,902.40 = 37,608,009.60 : x
  2. Step 2: Convert to fraction form
    91,478,601.60/137,217,902.40 = 37,608,009.60/x
  3. Step 3: Cross multiply
    91,478,601.60x = 137,217,902.40 × 37,608,009.60
  4. Step 4: Simplify right side
    91,478,601.60x = 5,160,492,190,751,063
  5. Step 5: Solve for x
    x = 5,160,492,190,751,063/91,478,601.60
  6. Step 6: Final answer
    x = 56,412,014.40

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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.