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Finding the Fourth Proportional to 67,355,869.20, 101,033,803.80 and 67,355,869.20

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Solution

The fourth proportional to 67,355,869.20, 101,033,803.80 and 67,355,869.20 is: 101,033,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,355,869.20 : 101,033,803.80 = 67,355,869.20 : x
  2. Step 2: Convert to fraction form
    67,355,869.20/101,033,803.80 = 67,355,869.20/x
  3. Step 3: Cross multiply
    67,355,869.20x = 101,033,803.80 × 67,355,869.20
  4. Step 4: Simplify right side
    67,355,869.20x = 6,805,219,673,531,263
  5. Step 5: Solve for x
    x = 6,805,219,673,531,263/67,355,869.20
  6. Step 6: Final answer
    x = 101,033,803.80

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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.