Home / 56,998,901.60-85,498,352.40-51,225,999.20

Finding the Fourth Proportional to 56,998,901.60, 85,498,352.40 and 51,225,999.20

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Solution

The fourth proportional to 56,998,901.60, 85,498,352.40 and 51,225,999.20 is: 76,838,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998,901.60 : 85,498,352.40 = 51,225,999.20 : x
  2. Step 2: Convert to fraction form
    56,998,901.60/85,498,352.40 = 51,225,999.20/x
  3. Step 3: Cross multiply
    56,998,901.60x = 85,498,352.40 × 51,225,999.20
  4. Step 4: Simplify right side
    56,998,901.60x = 4,379,738,531,643,718.50
  5. Step 5: Solve for x
    x = 4,379,738,531,643,718.50/56,998,901.60
  6. Step 6: Final answer
    x = 76,838,998.80

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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.