Home / 127,598,124.90-191,397,187.35-120,879,660.90

Finding the Fourth Proportional to 127,598,124.90, 191,397,187.35 and 120,879,660.90

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Solution

The fourth proportional to 127,598,124.90, 191,397,187.35 and 120,879,660.90 is: 181,319,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,124.90 : 191,397,187.35 = 120,879,660.90 : x
  2. Step 2: Convert to fraction form
    127,598,124.90/191,397,187.35 = 120,879,660.90/x
  3. Step 3: Cross multiply
    127,598,124.90x = 191,397,187.35 × 120,879,660.90
  4. Step 4: Simplify right side
    127,598,124.90x = 23,136,027,104,081,772
  5. Step 5: Solve for x
    x = 23,136,027,104,081,772/127,598,124.90
  6. Step 6: Final answer
    x = 181,319,491.35

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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.