Home / 178,017,034.80-266,898,025.80-68,748,682.80

Finding the Fourth Proportional to 178,017,034.80, 266,898,025.80 and 68,748,682.80

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Solution

The fourth proportional to 178,017,034.80, 266,898,025.80 and 68,748,682.80 is: 103,073,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,017,034.80 : 266,898,025.80 = 68,748,682.80 : x
  2. Step 2: Convert to fraction form
    178,017,034.80/266,898,025.80 = 68,748,682.80/x
  3. Step 3: Cross multiply
    178,017,034.80x = 266,898,025.80 × 68,748,682.80
  4. Step 4: Simplify right side
    178,017,034.80x = 18,348,887,715,670,416
  5. Step 5: Solve for x
    x = 18,348,887,715,670,416/178,017,034.80
  6. Step 6: Final answer
    x = 103,073,774.58

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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.