Home / 126,390,475,384.85-189,565,531,930.50-36,832,520,195.31

Finding the Fourth Proportional to 126,390,475,384.85, 189,565,531,930.50 and 36,832,520,195.31

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Solution

The fourth proportional to 126,390,475,384.85, 189,565,531,930.50 and 36,832,520,195.31 is: 55,242,899,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390,475,384.85 : 189,565,531,930.50 = 36,832,520,195.31 : x
  2. Step 2: Convert to fraction form
    126,390,475,384.85/189,565,531,930.50 = 36,832,520,195.31/x
  3. Step 3: Cross multiply
    126,390,475,384.85x = 189,565,531,930.50 × 36,832,520,195.31
  4. Step 4: Simplify right side
    126,390,475,384.85x = 6,982,176,283,164,822,994,944
  5. Step 5: Solve for x
    x = 6,982,176,283,164,822,994,944/126,390,475,384.85
  6. Step 6: Final answer
    x = 55,242,899,133.85

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1.5x scale

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.