Home / 189,971,733,536.63-285,005,833,348.78-87,941,884,254.97

Finding the Fourth Proportional to 189,971,733,536.63, 285,005,833,348.78 and 87,941,884,254.97

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Solution

The fourth proportional to 189,971,733,536.63, 285,005,833,348.78 and 87,941,884,254.97 is: 131,935,154,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,536.63 : 285,005,833,348.78 = 87,941,884,254.97 : x
  2. Step 2: Convert to fraction form
    189,971,733,536.63/285,005,833,348.78 = 87,941,884,254.97/x
  3. Step 3: Cross multiply
    189,971,733,536.63x = 285,005,833,348.78 × 87,941,884,254.97
  4. Step 4: Simplify right side
    189,971,733,536.63x = 25,063,950,008,349,683,089,408
  5. Step 5: Solve for x
    x = 25,063,950,008,349,683,089,408/189,971,733,536.63
  6. Step 6: Final answer
    x = 131,935,154,466.11

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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.