Home / 48,389,848.80-72,374,821.20-43,309,010.40

Finding the Fourth Proportional to 48,389,848.80, 72,374,821.20 and 43,309,010.40

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Solution

The fourth proportional to 48,389,848.80, 72,374,821.20 and 43,309,010.40 is: 64,775,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,848.80 : 72,374,821.20 = 43,309,010.40 : x
  2. Step 2: Convert to fraction form
    48,389,848.80/72,374,821.20 = 43,309,010.40/x
  3. Step 3: Cross multiply
    48,389,848.80x = 72,374,821.20 × 43,309,010.40
  4. Step 4: Simplify right side
    48,389,848.80x = 3,134,481,884,048,940.50
  5. Step 5: Solve for x
    x = 3,134,481,884,048,940.50/48,389,848.80
  6. Step 6: Final answer
    x = 64,775,608.14

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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.