Home / 99,219,718.80-148,829,578.20-73,710,550.80

Finding the Fourth Proportional to 99,219,718.80, 148,829,578.20 and 73,710,550.80

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Solution

The fourth proportional to 99,219,718.80, 148,829,578.20 and 73,710,550.80 is: 110,565,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,219,718.80 : 148,829,578.20 = 73,710,550.80 : x
  2. Step 2: Convert to fraction form
    99,219,718.80/148,829,578.20 = 73,710,550.80/x
  3. Step 3: Cross multiply
    99,219,718.80x = 148,829,578.20 × 73,710,550.80
  4. Step 4: Simplify right side
    99,219,718.80x = 10,970,310,184,453,672
  5. Step 5: Solve for x
    x = 10,970,310,184,453,672/99,219,718.80
  6. Step 6: Final answer
    x = 110,565,826.20

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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.