Home / 85,799,816.64-118,401,257.76-48,633,523.20

Finding the Fourth Proportional to 85,799,816.64, 118,401,257.76 and 48,633,523.20

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Solution

The fourth proportional to 85,799,816.64, 118,401,257.76 and 48,633,523.20 is: 67,112,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799,816.64 : 118,401,257.76 = 48,633,523.20 : x
  2. Step 2: Convert to fraction form
    85,799,816.64/118,401,257.76 = 48,633,523.20/x
  3. Step 3: Cross multiply
    85,799,816.64x = 118,401,257.76 × 48,633,523.20
  4. Step 4: Simplify right side
    85,799,816.64x = 5,758,270,316,180,141
  5. Step 5: Solve for x
    x = 5,758,270,316,180,141/85,799,816.64
  6. Step 6: Final answer
    x = 67,112,851.07

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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.