Home / 189,971,733,537.89-285,005,833,350.66-87,941,884,256.22

Finding the Fourth Proportional to 189,971,733,537.89, 285,005,833,350.66 and 87,941,884,256.22

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Solution

The fourth proportional to 189,971,733,537.89, 285,005,833,350.66 and 87,941,884,256.22 is: 131,935,154,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,537.89 : 285,005,833,350.66 = 87,941,884,256.22 : x
  2. Step 2: Convert to fraction form
    189,971,733,537.89/285,005,833,350.66 = 87,941,884,256.22/x
  3. Step 3: Cross multiply
    189,971,733,537.89x = 285,005,833,350.66 × 87,941,884,256.22
  4. Step 4: Simplify right side
    189,971,733,537.89x = 25,063,950,008,871,265,763,328
  5. Step 5: Solve for x
    x = 25,063,950,008,871,265,763,328/189,971,733,537.89
  6. Step 6: Final answer
    x = 131,935,154,467.98

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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.