Home / 91,708,056.96-137,584,558.08-75,341,015.52

Finding the Fourth Proportional to 91,708,056.96, 137,584,558.08 and 75,341,015.52

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Solution

The fourth proportional to 91,708,056.96, 137,584,558.08 and 75,341,015.52 is: 113,029,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708,056.96 : 137,584,558.08 = 75,341,015.52 : x
  2. Step 2: Convert to fraction form
    91,708,056.96/137,584,558.08 = 75,341,015.52/x
  3. Step 3: Cross multiply
    91,708,056.96x = 137,584,558.08 × 75,341,015.52
  4. Step 4: Simplify right side
    91,708,056.96x = 10,365,760,325,617,622
  5. Step 5: Solve for x
    x = 10,365,760,325,617,622/91,708,056.96
  6. Step 6: Final answer
    x = 113,029,985.25

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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.