Home / 54,578,133.90-81,867,200.85-53,860,688.55

Finding the Fourth Proportional to 54,578,133.90, 81,867,200.85 and 53,860,688.55

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Solution

The fourth proportional to 54,578,133.90, 81,867,200.85 and 53,860,688.55 is: 80,791,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578,133.90 : 81,867,200.85 = 53,860,688.55 : x
  2. Step 2: Convert to fraction form
    54,578,133.90/81,867,200.85 = 53,860,688.55/x
  3. Step 3: Cross multiply
    54,578,133.90x = 81,867,200.85 × 53,860,688.55
  4. Step 4: Simplify right side
    54,578,133.90x = 4,409,423,807,442,144.50
  5. Step 5: Solve for x
    x = 4,409,423,807,442,144.50/54,578,133.90
  6. Step 6: Final answer
    x = 80,791,032.83

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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.