Home / 53,955,783.20-81,017,655.60-31,280,967.20

Finding the Fourth Proportional to 53,955,783.20, 81,017,655.60 and 31,280,967.20

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Solution

The fourth proportional to 53,955,783.20, 81,017,655.60 and 31,280,967.20 is: 46,970,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955,783.20 : 81,017,655.60 = 31,280,967.20 : x
  2. Step 2: Convert to fraction form
    53,955,783.20/81,017,655.60 = 31,280,967.20/x
  3. Step 3: Cross multiply
    53,955,783.20x = 81,017,655.60 × 31,280,967.20
  4. Step 4: Simplify right side
    53,955,783.20x = 2,534,310,627,444,496
  5. Step 5: Solve for x
    x = 2,534,310,627,444,496/53,955,783.20
  6. Step 6: Final answer
    x = 46,970,138.83

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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.