Home / 53,920,904.40-80,881,356.60-45,311,560.20

Finding the Fourth Proportional to 53,920,904.40, 80,881,356.60 and 45,311,560.20

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Solution

The fourth proportional to 53,920,904.40, 80,881,356.60 and 45,311,560.20 is: 67,967,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920,904.40 : 80,881,356.60 = 45,311,560.20 : x
  2. Step 2: Convert to fraction form
    53,920,904.40/80,881,356.60 = 45,311,560.20/x
  3. Step 3: Cross multiply
    53,920,904.40x = 80,881,356.60 × 45,311,560.20
  4. Step 4: Simplify right side
    53,920,904.40x = 3,664,860,458,638,567.50
  5. Step 5: Solve for x
    x = 3,664,860,458,638,567.50/53,920,904.40
  6. Step 6: Final answer
    x = 67,967,340.30

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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.