Home / 194,018,780.20-291,240,746.70-121,317,651.40

Finding the Fourth Proportional to 194,018,780.20, 291,240,746.70 and 121,317,651.40

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Solution

The fourth proportional to 194,018,780.20, 291,240,746.70 and 121,317,651.40 is: 182,109,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,018,780.20 : 291,240,746.70 = 121,317,651.40 : x
  2. Step 2: Convert to fraction form
    194,018,780.20/291,240,746.70 = 121,317,651.40/x
  3. Step 3: Cross multiply
    194,018,780.20x = 291,240,746.70 × 121,317,651.40
  4. Step 4: Simplify right side
    194,018,780.20x = 35,332,643,381,626,300
  5. Step 5: Solve for x
    x = 35,332,643,381,626,300/194,018,780.20
  6. Step 6: Final answer
    x = 182,109,398.61

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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.