Home / 131,220,101.70-196,830,152.55-123,661,829.70

Finding the Fourth Proportional to 131,220,101.70, 196,830,152.55 and 123,661,829.70

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Solution

The fourth proportional to 131,220,101.70, 196,830,152.55 and 123,661,829.70 is: 185,492,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,101.70 : 196,830,152.55 = 123,661,829.70 : x
  2. Step 2: Convert to fraction form
    131,220,101.70/196,830,152.55 = 123,661,829.70/x
  3. Step 3: Cross multiply
    131,220,101.70x = 196,830,152.55 × 123,661,829.70
  4. Step 4: Simplify right side
    131,220,101.70x = 24,340,376,804,463,124
  5. Step 5: Solve for x
    x = 24,340,376,804,463,124/131,220,101.70
  6. Step 6: Final answer
    x = 185,492,744.55

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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.