Home / 215,997,354.02-298,017,284.37-123,143,982.50

Finding the Fourth Proportional to 215,997,354.02, 298,017,284.37 and 123,143,982.50

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Solution

The fourth proportional to 215,997,354.02, 298,017,284.37 and 123,143,982.50 is: 169,905,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,997,354.02 : 298,017,284.37 = 123,143,982.50 : x
  2. Step 2: Convert to fraction form
    215,997,354.02/298,017,284.37 = 123,143,982.50/x
  3. Step 3: Cross multiply
    215,997,354.02x = 298,017,284.37 × 123,143,982.50
  4. Step 4: Simplify right side
    215,997,354.02x = 36,699,035,249,666,720
  5. Step 5: Solve for x
    x = 36,699,035,249,666,720/215,997,354.02
  6. Step 6: Final answer
    x = 169,905,022.30

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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.