Home / 189,348,030,498.69-261,300,422,965.06-102,541,274,064.45

Finding the Fourth Proportional to 189,348,030,498.69, 261,300,422,965.06 and 102,541,274,064.45

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Solution

The fourth proportional to 189,348,030,498.69, 261,300,422,965.06 and 102,541,274,064.45 is: 141,507,034,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,348,030,498.69 : 261,300,422,965.06 = 102,541,274,064.45 : x
  2. Step 2: Convert to fraction form
    189,348,030,498.69/261,300,422,965.06 = 102,541,274,064.45/x
  3. Step 3: Cross multiply
    189,348,030,498.69x = 261,300,422,965.06 × 102,541,274,064.45
  4. Step 4: Simplify right side
    189,348,030,498.69x = 26,794,078,284,416,922,157,056
  5. Step 5: Solve for x
    x = 26,794,078,284,416,922,157,056/189,348,030,498.69
  6. Step 6: Final answer
    x = 141,507,034,500.70

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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.