Home / 189,348,030,479.05-261,300,422,937.99-102,541,274,044.86

Finding the Fourth Proportional to 189,348,030,479.05, 261,300,422,937.99 and 102,541,274,044.86

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Solution

The fourth proportional to 189,348,030,479.05, 261,300,422,937.99 and 102,541,274,044.86 is: 141,507,034,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,348,030,479.05 : 261,300,422,937.99 = 102,541,274,044.86 : x
  2. Step 2: Convert to fraction form
    189,348,030,479.05/261,300,422,937.99 = 102,541,274,044.86/x
  3. Step 3: Cross multiply
    189,348,030,479.05x = 261,300,422,937.99 × 102,541,274,044.86
  4. Step 4: Simplify right side
    189,348,030,479.05x = 26,794,078,276,522,252,173,312
  5. Step 5: Solve for x
    x = 26,794,078,276,522,252,173,312/189,348,030,479.05
  6. Step 6: Final answer
    x = 141,507,034,473.68

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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.