Home / 260,816,751.30-391,225,126.95-139,884,399.30

Finding the Fourth Proportional to 260,816,751.30, 391,225,126.95 and 139,884,399.30

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Solution

The fourth proportional to 260,816,751.30, 391,225,126.95 and 139,884,399.30 is: 209,826,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,816,751.30 : 391,225,126.95 = 139,884,399.30 : x
  2. Step 2: Convert to fraction form
    260,816,751.30/391,225,126.95 = 139,884,399.30/x
  3. Step 3: Cross multiply
    260,816,751.30x = 391,225,126.95 × 139,884,399.30
  4. Step 4: Simplify right side
    260,816,751.30x = 54,726,291,874,466,992
  5. Step 5: Solve for x
    x = 54,726,291,874,466,992/260,816,751.30
  6. Step 6: Final answer
    x = 209,826,598.95

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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.