Home / 260,808,215.70-391,212,323.55-79,031,774.10

Finding the Fourth Proportional to 260,808,215.70, 391,212,323.55 and 79,031,774.10

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Solution

The fourth proportional to 260,808,215.70, 391,212,323.55 and 79,031,774.10 is: 118,547,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,808,215.70 : 391,212,323.55 = 79,031,774.10 : x
  2. Step 2: Convert to fraction form
    260,808,215.70/391,212,323.55 = 79,031,774.10/x
  3. Step 3: Cross multiply
    260,808,215.70x = 391,212,323.55 × 79,031,774.10
  4. Step 4: Simplify right side
    260,808,215.70x = 30,918,203,979,939,708
  5. Step 5: Solve for x
    x = 30,918,203,979,939,708/260,808,215.70
  6. Step 6: Final answer
    x = 118,547,661.15

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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.