Home / 189,971,733,487.56-285,005,833,275.21-87,941,884,205.85

Finding the Fourth Proportional to 189,971,733,487.56, 285,005,833,275.21 and 87,941,884,205.85

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Solution

The fourth proportional to 189,971,733,487.56, 285,005,833,275.21 and 87,941,884,205.85 is: 131,935,154,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,487.56 : 285,005,833,275.21 = 87,941,884,205.85 : x
  2. Step 2: Convert to fraction form
    189,971,733,487.56/285,005,833,275.21 = 87,941,884,205.85/x
  3. Step 3: Cross multiply
    189,971,733,487.56x = 285,005,833,275.21 × 87,941,884,205.85
  4. Step 4: Simplify right side
    189,971,733,487.56x = 25,063,949,987,879,168,507,904
  5. Step 5: Solve for x
    x = 25,063,949,987,879,168,507,904/189,971,733,487.56
  6. Step 6: Final answer
    x = 131,935,154,392.43

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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.