Home / 215,997,355.02-298,017,285.75-123,143,983.50

Finding the Fourth Proportional to 215,997,355.02, 298,017,285.75 and 123,143,983.50

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Solution

The fourth proportional to 215,997,355.02, 298,017,285.75 and 123,143,983.50 is: 169,905,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,997,355.02 : 298,017,285.75 = 123,143,983.50 : x
  2. Step 2: Convert to fraction form
    215,997,355.02/298,017,285.75 = 123,143,983.50/x
  3. Step 3: Cross multiply
    215,997,355.02x = 298,017,285.75 × 123,143,983.50
  4. Step 4: Simplify right side
    215,997,355.02x = 36,699,035,719,112,784
  5. Step 5: Solve for x
    x = 36,699,035,719,112,784/215,997,355.02
  6. Step 6: Final answer
    x = 169,905,023.68

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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.