Home / 142,997,692.50-214,464,616.83-66,310,756.02

Finding the Fourth Proportional to 142,997,692.50, 214,464,616.83 and 66,310,756.02

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Solution

The fourth proportional to 142,997,692.50, 214,464,616.83 and 66,310,756.02 is: 99,451,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,997,692.50 : 214,464,616.83 = 66,310,756.02 : x
  2. Step 2: Convert to fraction form
    142,997,692.50/214,464,616.83 = 66,310,756.02/x
  3. Step 3: Cross multiply
    142,997,692.50x = 214,464,616.83 × 66,310,756.02
  4. Step 4: Simplify right side
    142,997,692.50x = 14,221,310,881,536,918
  5. Step 5: Solve for x
    x = 14,221,310,881,536,918/142,997,692.50
  6. Step 6: Final answer
    x = 99,451,331.23

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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.