Home / 260,805,536.70-391,208,305.05-79,029,095.10

Finding the Fourth Proportional to 260,805,536.70, 391,208,305.05 and 79,029,095.10

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Solution

The fourth proportional to 260,805,536.70, 391,208,305.05 and 79,029,095.10 is: 118,543,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,805,536.70 : 391,208,305.05 = 79,029,095.10 : x
  2. Step 2: Convert to fraction form
    260,805,536.70/391,208,305.05 = 79,029,095.10/x
  3. Step 3: Cross multiply
    260,805,536.70x = 391,208,305.05 × 79,029,095.10
  4. Step 4: Simplify right side
    260,805,536.70x = 30,916,838,343,706,260
  5. Step 5: Solve for x
    x = 30,916,838,343,706,260/260,805,536.70
  6. Step 6: Final answer
    x = 118,543,642.65

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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.