Home / 147,024,989.40-220,537,484.10-145,111,801.80

Finding the Fourth Proportional to 147,024,989.40, 220,537,484.10 and 145,111,801.80

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Solution

The fourth proportional to 147,024,989.40, 220,537,484.10 and 145,111,801.80 is: 217,667,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,024,989.40 : 220,537,484.10 = 145,111,801.80 : x
  2. Step 2: Convert to fraction form
    147,024,989.40/220,537,484.10 = 145,111,801.80/x
  3. Step 3: Cross multiply
    147,024,989.40x = 220,537,484.10 × 145,111,801.80
  4. Step 4: Simplify right side
    147,024,989.40x = 32,002,591,682,189,852
  5. Step 5: Solve for x
    x = 32,002,591,682,189,852/147,024,989.40
  6. Step 6: Final answer
    x = 217,667,702.70

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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.