Home / 137,863,922,034.88-206,506,282,507.64-87,473,417,921.60

Finding the Fourth Proportional to 137,863,922,034.88, 206,506,282,507.64 and 87,473,417,921.60

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Solution

The fourth proportional to 137,863,922,034.88, 206,506,282,507.64 and 87,473,417,921.60 is: 131,026,377,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,863,922,034.88 : 206,506,282,507.64 = 87,473,417,921.60 : x
  2. Step 2: Convert to fraction form
    137,863,922,034.88/206,506,282,507.64 = 87,473,417,921.60/x
  3. Step 3: Cross multiply
    137,863,922,034.88x = 206,506,282,507.64 × 87,473,417,921.60
  4. Step 4: Simplify right side
    137,863,922,034.88x = 18,063,810,353,226,791,780,352
  5. Step 5: Solve for x
    x = 18,063,810,353,226,791,780,352/137,863,922,034.88
  6. Step 6: Final answer
    x = 131,026,377,942.86

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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.