Home / 91,854,010.60-137,781,015.90-51,459,245.80

Finding the Fourth Proportional to 91,854,010.60, 137,781,015.90 and 51,459,245.80

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Solution

The fourth proportional to 91,854,010.60, 137,781,015.90 and 51,459,245.80 is: 77,188,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854,010.60 : 137,781,015.90 = 51,459,245.80 : x
  2. Step 2: Convert to fraction form
    91,854,010.60/137,781,015.90 = 51,459,245.80/x
  3. Step 3: Cross multiply
    91,854,010.60x = 137,781,015.90 × 51,459,245.80
  4. Step 4: Simplify right side
    91,854,010.60x = 7,090,107,163,771,808
  5. Step 5: Solve for x
    x = 7,090,107,163,771,808/91,854,010.60
  6. Step 6: Final answer
    x = 77,188,868.70

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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.