Home / 131,107,585.80-196,661,378.70-90,763,624.20

Finding the Fourth Proportional to 131,107,585.80, 196,661,378.70 and 90,763,624.20

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Solution

The fourth proportional to 131,107,585.80, 196,661,378.70 and 90,763,624.20 is: 136,145,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,107,585.80 : 196,661,378.70 = 90,763,624.20 : x
  2. Step 2: Convert to fraction form
    131,107,585.80/196,661,378.70 = 90,763,624.20/x
  3. Step 3: Cross multiply
    131,107,585.80x = 196,661,378.70 × 90,763,624.20
  4. Step 4: Simplify right side
    131,107,585.80x = 17,849,699,470,980,684
  5. Step 5: Solve for x
    x = 17,849,699,470,980,684/131,107,585.80
  6. Step 6: Final answer
    x = 136,145,436.30

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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.