Home / 189,971,733,517.93-285,005,833,320.82-87,941,884,236.22

Finding the Fourth Proportional to 189,971,733,517.93, 285,005,833,320.82 and 87,941,884,236.22

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Solution

The fourth proportional to 189,971,733,517.93, 285,005,833,320.82 and 87,941,884,236.22 is: 131,935,154,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,517.93 : 285,005,833,320.82 = 87,941,884,236.22 : x
  2. Step 2: Convert to fraction form
    189,971,733,517.93/285,005,833,320.82 = 87,941,884,236.22/x
  3. Step 3: Cross multiply
    189,971,733,517.93x = 285,005,833,320.82 × 87,941,884,236.22
  4. Step 4: Simplify right side
    189,971,733,517.93x = 25,063,950,000,547,535,257,600
  5. Step 5: Solve for x
    x = 25,063,950,000,547,535,257,600/189,971,733,517.93
  6. Step 6: Final answer
    x = 131,935,154,438.03

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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.