Home / 67,543,678.40-93,210,355.88-36,603,847.60

Finding the Fourth Proportional to 67,543,678.40, 93,210,355.88 and 36,603,847.60

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Solution

The fourth proportional to 67,543,678.40, 93,210,355.88 and 36,603,847.60 is: 50,513,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543,678.40 : 93,210,355.88 = 36,603,847.60 : x
  2. Step 2: Convert to fraction form
    67,543,678.40/93,210,355.88 = 36,603,847.60/x
  3. Step 3: Cross multiply
    67,543,678.40x = 93,210,355.88 × 36,603,847.60
  4. Step 4: Simplify right side
    67,543,678.40x = 3,411,857,661,373,284
  5. Step 5: Solve for x
    x = 3,411,857,661,373,284/67,543,678.40
  6. Step 6: Final answer
    x = 50,513,352.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.