Home / 54,335,428.10-81,503,142.15-48,960,656.90

Finding the Fourth Proportional to 54,335,428.10, 81,503,142.15 and 48,960,656.90

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Solution

The fourth proportional to 54,335,428.10, 81,503,142.15 and 48,960,656.90 is: 73,440,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335,428.10 : 81,503,142.15 = 48,960,656.90 : x
  2. Step 2: Convert to fraction form
    54,335,428.10/81,503,142.15 = 48,960,656.90/x
  3. Step 3: Cross multiply
    54,335,428.10x = 81,503,142.15 × 48,960,656.90
  4. Step 4: Simplify right side
    54,335,428.10x = 3,990,447,379,078,078.50
  5. Step 5: Solve for x
    x = 3,990,447,379,078,078.50/54,335,428.10
  6. Step 6: Final answer
    x = 73,440,985.35

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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.