Home / 53,214,856.40-79,822,284.60-40,460,272.40

Finding the Fourth Proportional to 53,214,856.40, 79,822,284.60 and 40,460,272.40

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Solution

The fourth proportional to 53,214,856.40, 79,822,284.60 and 40,460,272.40 is: 60,690,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214,856.40 : 79,822,284.60 = 40,460,272.40 : x
  2. Step 2: Convert to fraction form
    53,214,856.40/79,822,284.60 = 40,460,272.40/x
  3. Step 3: Cross multiply
    53,214,856.40x = 79,822,284.60 × 40,460,272.40
  4. Step 4: Simplify right side
    53,214,856.40x = 3,229,631,378,506,324.50
  5. Step 5: Solve for x
    x = 3,229,631,378,506,324.50/53,214,856.40
  6. Step 6: Final answer
    x = 60,690,408.60

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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.