Home / 53,947,808.60-80,921,712.90-53,380,938.20

Finding the Fourth Proportional to 53,947,808.60, 80,921,712.90 and 53,380,938.20

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Solution

The fourth proportional to 53,947,808.60, 80,921,712.90 and 53,380,938.20 is: 80,071,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,947,808.60 : 80,921,712.90 = 53,380,938.20 : x
  2. Step 2: Convert to fraction form
    53,947,808.60/80,921,712.90 = 53,380,938.20/x
  3. Step 3: Cross multiply
    53,947,808.60x = 80,921,712.90 × 53,380,938.20
  4. Step 4: Simplify right side
    53,947,808.60x = 4,319,676,955,353,043.50
  5. Step 5: Solve for x
    x = 4,319,676,955,353,043.50/53,947,808.60
  6. Step 6: Final answer
    x = 80,071,407.30

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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.