Home / 53,955,793.70-81,017,671.35-31,280,977.70

Finding the Fourth Proportional to 53,955,793.70, 81,017,671.35 and 31,280,977.70

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Solution

The fourth proportional to 53,955,793.70, 81,017,671.35 and 31,280,977.70 is: 46,970,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955,793.70 : 81,017,671.35 = 31,280,977.70 : x
  2. Step 2: Convert to fraction form
    53,955,793.70/81,017,671.35 = 31,280,977.70/x
  3. Step 3: Cross multiply
    53,955,793.70x = 81,017,671.35 × 31,280,977.70
  4. Step 4: Simplify right side
    53,955,793.70x = 2,534,311,970,805,278.50
  5. Step 5: Solve for x
    x = 2,534,311,970,805,278.50/53,955,793.70
  6. Step 6: Final answer
    x = 46,970,154.58

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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.