Home / 53,938,346.40-80,918,017.20-15,601,111.20

Finding the Fourth Proportional to 53,938,346.40, 80,918,017.20 and 15,601,111.20

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Solution

The fourth proportional to 53,938,346.40, 80,918,017.20 and 15,601,111.20 is: 23,404,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938,346.40 : 80,918,017.20 = 15,601,111.20 : x
  2. Step 2: Convert to fraction form
    53,938,346.40/80,918,017.20 = 15,601,111.20/x
  3. Step 3: Cross multiply
    53,938,346.40x = 80,918,017.20 × 15,601,111.20
  4. Step 4: Simplify right side
    53,938,346.40x = 1,262,410,984,420,712.75
  5. Step 5: Solve for x
    x = 1,262,410,984,420,712.75/53,938,346.40
  6. Step 6: Final answer
    x = 23,404,703.12

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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.