Home / 113,199,618.86-156,214,534.96-63,640,213.47

Finding the Fourth Proportional to 113,199,618.86, 156,214,534.96 and 63,640,213.47

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Solution

The fourth proportional to 113,199,618.86, 156,214,534.96 and 63,640,213.47 is: 87,822,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,199,618.86 : 156,214,534.96 = 63,640,213.47 : x
  2. Step 2: Convert to fraction form
    113,199,618.86/156,214,534.96 = 63,640,213.47/x
  3. Step 3: Cross multiply
    113,199,618.86x = 156,214,534.96 × 63,640,213.47
  4. Step 4: Simplify right side
    113,199,618.86x = 9,941,526,351,971,178
  5. Step 5: Solve for x
    x = 9,941,526,351,971,178/113,199,618.86
  6. Step 6: Final answer
    x = 87,822,966.65

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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.