Home / 127,731,287.70-191,596,931.55-120,173,015.70

Finding the Fourth Proportional to 127,731,287.70, 191,596,931.55 and 120,173,015.70

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Solution

The fourth proportional to 127,731,287.70, 191,596,931.55 and 120,173,015.70 is: 180,259,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,731,287.70 : 191,596,931.55 = 120,173,015.70 : x
  2. Step 2: Convert to fraction form
    127,731,287.70/191,596,931.55 = 120,173,015.70/x
  3. Step 3: Cross multiply
    127,731,287.70x = 191,596,931.55 × 120,173,015.70
  4. Step 4: Simplify right side
    127,731,287.70x = 23,024,781,063,229,976
  5. Step 5: Solve for x
    x = 23,024,781,063,229,976/127,731,287.70
  6. Step 6: Final answer
    x = 180,259,523.55

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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.