Home / 144,440,276.66-199,327,968.14-78,360,774.92

Finding the Fourth Proportional to 144,440,276.66, 199,327,968.14 and 78,360,774.92

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Solution

The fourth proportional to 144,440,276.66, 199,327,968.14 and 78,360,774.92 is: 108,138,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440,276.66 : 199,327,968.14 = 78,360,774.92 : x
  2. Step 2: Convert to fraction form
    144,440,276.66/199,327,968.14 = 78,360,774.92/x
  3. Step 3: Cross multiply
    144,440,276.66x = 199,327,968.14 × 78,360,774.92
  4. Step 4: Simplify right side
    144,440,276.66x = 15,619,494,045,291,028
  5. Step 5: Solve for x
    x = 15,619,494,045,291,028/144,440,276.66
  6. Step 6: Final answer
    x = 108,138,078.98

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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.