Home / 207,186,556.20-310,779,834.30-70,859,797.80

Finding the Fourth Proportional to 207,186,556.20, 310,779,834.30 and 70,859,797.80

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Solution

The fourth proportional to 207,186,556.20, 310,779,834.30 and 70,859,797.80 is: 106,289,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,186,556.20 : 310,779,834.30 = 70,859,797.80 : x
  2. Step 2: Convert to fraction form
    207,186,556.20/310,779,834.30 = 70,859,797.80/x
  3. Step 3: Cross multiply
    207,186,556.20x = 310,779,834.30 × 70,859,797.80
  4. Step 4: Simplify right side
    207,186,556.20x = 22,021,796,218,815,504
  5. Step 5: Solve for x
    x = 22,021,796,218,815,504/207,186,556.20
  6. Step 6: Final answer
    x = 106,289,696.70

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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.