Home / 117,920,609.40-162,731,086.57-68,390,341

Finding the Fourth Proportional to 117,920,609.40, 162,731,086.57 and 68,390,341

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Solution

The fourth proportional to 117,920,609.40, 162,731,086.57 and 68,390,341 is: 94,379,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,920,609.40 : 162,731,086.57 = 68,390,341 : x
  2. Step 2: Convert to fraction form
    117,920,609.40/162,731,086.57 = 68,390,341/x
  3. Step 3: Cross multiply
    117,920,609.40x = 162,731,086.57 × 68,390,341
  4. Step 4: Simplify right side
    117,920,609.40x = 11,129,234,501,822,820
  5. Step 5: Solve for x
    x = 11,129,234,501,822,820/117,920,609.40
  6. Step 6: Final answer
    x = 94,379,045.01

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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.