Home / 42,264,009.60-63,396,014.40-39,408,662.40

Finding the Fourth Proportional to 42,264,009.60, 63,396,014.40 and 39,408,662.40

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Solution

The fourth proportional to 42,264,009.60, 63,396,014.40 and 39,408,662.40 is: 59,112,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264,009.60 : 63,396,014.40 = 39,408,662.40 : x
  2. Step 2: Convert to fraction form
    42,264,009.60/63,396,014.40 = 39,408,662.40/x
  3. Step 3: Cross multiply
    42,264,009.60x = 63,396,014.40 × 39,408,662.40
  4. Step 4: Simplify right side
    42,264,009.60x = 2,498,352,128,995,138.50
  5. Step 5: Solve for x
    x = 2,498,352,128,995,138.50/42,264,009.60
  6. Step 6: Final answer
    x = 59,112,993.60

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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.