Home / 53,146,281.60-79,719,422.40-40,297,219.20

Finding the Fourth Proportional to 53,146,281.60, 79,719,422.40 and 40,297,219.20

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Solution

The fourth proportional to 53,146,281.60, 79,719,422.40 and 40,297,219.20 is: 60,445,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146,281.60 : 79,719,422.40 = 40,297,219.20 : x
  2. Step 2: Convert to fraction form
    53,146,281.60/79,719,422.40 = 40,297,219.20/x
  3. Step 3: Cross multiply
    53,146,281.60x = 79,719,422.40 × 40,297,219.20
  4. Step 4: Simplify right side
    53,146,281.60x = 3,212,471,038,950,190.50
  5. Step 5: Solve for x
    x = 3,212,471,038,950,190.50/53,146,281.60
  6. Step 6: Final answer
    x = 60,445,828.80

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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.