Home / 189,971,733,535.63-285,005,833,347.28-87,941,884,253.97

Finding the Fourth Proportional to 189,971,733,535.63, 285,005,833,347.28 and 87,941,884,253.97

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Solution

The fourth proportional to 189,971,733,535.63, 285,005,833,347.28 and 87,941,884,253.97 is: 131,935,154,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,535.63 : 285,005,833,347.28 = 87,941,884,253.97 : x
  2. Step 2: Convert to fraction form
    189,971,733,535.63/285,005,833,347.28 = 87,941,884,253.97/x
  3. Step 3: Cross multiply
    189,971,733,535.63x = 285,005,833,347.28 × 87,941,884,253.97
  4. Step 4: Simplify right side
    189,971,733,535.63x = 25,063,950,007,932,765,077,504
  5. Step 5: Solve for x
    x = 25,063,950,007,932,765,077,504/189,971,733,535.63
  6. Step 6: Final answer
    x = 131,935,154,464.61

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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.