Home / 68,863,364.40-103,055,898.15-47,340,003.90

Finding the Fourth Proportional to 68,863,364.40, 103,055,898.15 and 47,340,003.90

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Solution

The fourth proportional to 68,863,364.40, 103,055,898.15 and 47,340,003.90 is: 70,845,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863,364.40 : 103,055,898.15 = 47,340,003.90 : x
  2. Step 2: Convert to fraction form
    68,863,364.40/103,055,898.15 = 47,340,003.90/x
  3. Step 3: Cross multiply
    68,863,364.40x = 103,055,898.15 × 47,340,003.90
  4. Step 4: Simplify right side
    68,863,364.40x = 4,878,666,620,339,003
  5. Step 5: Solve for x
    x = 4,878,666,620,339,003/68,863,364.40
  6. Step 6: Final answer
    x = 70,845,603.65

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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.