Home / 191,122,638.84-263,771,632.98-108,628,823.88

Finding the Fourth Proportional to 191,122,638.84, 263,771,632.98 and 108,628,823.88

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Solution

The fourth proportional to 191,122,638.84, 263,771,632.98 and 108,628,823.88 is: 149,920,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122,638.84 : 263,771,632.98 = 108,628,823.88 : x
  2. Step 2: Convert to fraction form
    191,122,638.84/263,771,632.98 = 108,628,823.88/x
  3. Step 3: Cross multiply
    191,122,638.84x = 263,771,632.98 × 108,628,823.88
  4. Step 4: Simplify right side
    191,122,638.84x = 28,653,202,263,524,416
  5. Step 5: Solve for x
    x = 28,653,202,263,524,416/191,122,638.84
  6. Step 6: Final answer
    x = 149,920,503.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.