Home / 127,764,164.10-191,646,246.15-70,234,205.70

Finding the Fourth Proportional to 127,764,164.10, 191,646,246.15 and 70,234,205.70

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Solution

The fourth proportional to 127,764,164.10, 191,646,246.15 and 70,234,205.70 is: 105,351,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764,164.10 : 191,646,246.15 = 70,234,205.70 : x
  2. Step 2: Convert to fraction form
    127,764,164.10/191,646,246.15 = 70,234,205.70/x
  3. Step 3: Cross multiply
    127,764,164.10x = 191,646,246.15 × 70,234,205.70
  4. Step 4: Simplify right side
    127,764,164.10x = 13,460,121,873,731,934
  5. Step 5: Solve for x
    x = 13,460,121,873,731,934/127,764,164.10
  6. Step 6: Final answer
    x = 105,351,308.55

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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.