Home / 68,957,271.20-103,435,906.80-63,134,602.40

Finding the Fourth Proportional to 68,957,271.20, 103,435,906.80 and 63,134,602.40

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Solution

The fourth proportional to 68,957,271.20, 103,435,906.80 and 63,134,602.40 is: 94,701,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957,271.20 : 103,435,906.80 = 63,134,602.40 : x
  2. Step 2: Convert to fraction form
    68,957,271.20/103,435,906.80 = 63,134,602.40/x
  3. Step 3: Cross multiply
    68,957,271.20x = 103,435,906.80 × 63,134,602.40
  4. Step 4: Simplify right side
    68,957,271.20x = 6,530,384,849,701,456
  5. Step 5: Solve for x
    x = 6,530,384,849,701,456/68,957,271.20
  6. Step 6: Final answer
    x = 94,701,903.60

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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.