Home / 260,756,095.80-391,134,143.70-79,012,313.40

Finding the Fourth Proportional to 260,756,095.80, 391,134,143.70 and 79,012,313.40

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Solution

The fourth proportional to 260,756,095.80, 391,134,143.70 and 79,012,313.40 is: 118,518,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,756,095.80 : 391,134,143.70 = 79,012,313.40 : x
  2. Step 2: Convert to fraction form
    260,756,095.80/391,134,143.70 = 79,012,313.40/x
  3. Step 3: Cross multiply
    260,756,095.80x = 391,134,143.70 × 79,012,313.40
  4. Step 4: Simplify right side
    260,756,095.80x = 30,904,413,543,465,036
  5. Step 5: Solve for x
    x = 30,904,413,543,465,036/260,756,095.80
  6. Step 6: Final answer
    x = 118,518,470.10

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1.5x scale

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.