Home / 56,684,901.60-85,027,352.40-36,512,920.80

Finding the Fourth Proportional to 56,684,901.60, 85,027,352.40 and 36,512,920.80

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Solution

The fourth proportional to 56,684,901.60, 85,027,352.40 and 36,512,920.80 is: 54,769,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684,901.60 : 85,027,352.40 = 36,512,920.80 : x
  2. Step 2: Convert to fraction form
    56,684,901.60/85,027,352.40 = 36,512,920.80/x
  3. Step 3: Cross multiply
    56,684,901.60x = 85,027,352.40 × 36,512,920.80
  4. Step 4: Simplify right side
    56,684,901.60x = 3,104,596,984,014,890
  5. Step 5: Solve for x
    x = 3,104,596,984,014,890/56,684,901.60
  6. Step 6: Final answer
    x = 54,769,381.20

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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.