Home / 177,856,302.78-266,860,756.80-68,758,096.32

Finding the Fourth Proportional to 177,856,302.78, 266,860,756.80 and 68,758,096.32

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Solution

The fourth proportional to 177,856,302.78, 266,860,756.80 and 68,758,096.32 is: 103,166,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,856,302.78 : 266,860,756.80 = 68,758,096.32 : x
  2. Step 2: Convert to fraction form
    177,856,302.78/266,860,756.80 = 68,758,096.32/x
  3. Step 3: Cross multiply
    177,856,302.78x = 266,860,756.80 × 68,758,096.32
  4. Step 4: Simplify right side
    177,856,302.78x = 18,348,837,620,082,492
  5. Step 5: Solve for x
    x = 18,348,837,620,082,492/177,856,302.78
  6. Step 6: Final answer
    x = 103,166,642.58

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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.