Home / 99,219,640.80-148,829,461.20-73,710,472.80

Finding the Fourth Proportional to 99,219,640.80, 148,829,461.20 and 73,710,472.80

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Solution

The fourth proportional to 99,219,640.80, 148,829,461.20 and 73,710,472.80 is: 110,565,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,219,640.80 : 148,829,461.20 = 73,710,472.80 : x
  2. Step 2: Convert to fraction form
    99,219,640.80/148,829,461.20 = 73,710,472.80/x
  3. Step 3: Cross multiply
    99,219,640.80x = 148,829,461.20 × 73,710,472.80
  4. Step 4: Simplify right side
    99,219,640.80x = 10,970,289,951,621,254
  5. Step 5: Solve for x
    x = 10,970,289,951,621,254/99,219,640.80
  6. Step 6: Final answer
    x = 110,565,709.20

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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.