Home / 69,848,121.60-104,772,182.40-66,712,838.40

Finding the Fourth Proportional to 69,848,121.60, 104,772,182.40 and 66,712,838.40

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Solution

The fourth proportional to 69,848,121.60, 104,772,182.40 and 66,712,838.40 is: 100,069,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848,121.60 : 104,772,182.40 = 66,712,838.40 : x
  2. Step 2: Convert to fraction form
    69,848,121.60/104,772,182.40 = 66,712,838.40/x
  3. Step 3: Cross multiply
    69,848,121.60x = 104,772,182.40 × 66,712,838.40
  4. Step 4: Simplify right side
    69,848,121.60x = 6,989,649,673,266,524
  5. Step 5: Solve for x
    x = 6,989,649,673,266,524/69,848,121.60
  6. Step 6: Final answer
    x = 100,069,257.60

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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.