Home / 142,882,898,107.74-197,176,474,689.75-79,518,107,999.58

Finding the Fourth Proportional to 142,882,898,107.74, 197,176,474,689.75 and 79,518,107,999.58

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Solution

The fourth proportional to 142,882,898,107.74, 197,176,474,689.75 and 79,518,107,999.58 is: 109,733,917,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,882,898,107.74 : 197,176,474,689.75 = 79,518,107,999.58 : x
  2. Step 2: Convert to fraction form
    142,882,898,107.74/197,176,474,689.75 = 79,518,107,999.58/x
  3. Step 3: Cross multiply
    142,882,898,107.74x = 197,176,474,689.75 × 79,518,107,999.58
  4. Step 4: Simplify right side
    142,882,898,107.74x = 15,679,100,209,355,993,120,768
  5. Step 5: Solve for x
    x = 15,679,100,209,355,993,120,768/142,882,898,107.74
  6. Step 6: Final answer
    x = 109,733,917,893.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.