Home / 260,768,490.90-391,152,736.35-66,695,095.05

Finding the Fourth Proportional to 260,768,490.90, 391,152,736.35 and 66,695,095.05

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Solution

The fourth proportional to 260,768,490.90, 391,152,736.35 and 66,695,095.05 is: 100,042,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,768,490.90 : 391,152,736.35 = 66,695,095.05 : x
  2. Step 2: Convert to fraction form
    260,768,490.90/391,152,736.35 = 66,695,095.05/x
  3. Step 3: Cross multiply
    260,768,490.90x = 391,152,736.35 × 66,695,095.05
  4. Step 4: Simplify right side
    260,768,490.90x = 26,087,968,929,930,840
  5. Step 5: Solve for x
    x = 26,087,968,929,930,840/260,768,490.90
  6. Step 6: Final answer
    x = 100,042,642.58

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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.