Home / 191,180,555.20-286,239,991.20-185,872,139.20

Finding the Fourth Proportional to 191,180,555.20, 286,239,991.20 and 185,872,139.20

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Solution

The fourth proportional to 191,180,555.20, 286,239,991.20 and 185,872,139.20 is: 278,292,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180,555.20 : 286,239,991.20 = 185,872,139.20 : x
  2. Step 2: Convert to fraction form
    191,180,555.20/286,239,991.20 = 185,872,139.20/x
  3. Step 3: Cross multiply
    191,180,555.20x = 286,239,991.20 × 185,872,139.20
  4. Step 4: Simplify right side
    191,180,555.20x = 53,204,039,488,933,168
  5. Step 5: Solve for x
    x = 53,204,039,488,933,168/191,180,555.20
  6. Step 6: Final answer
    x = 278,292,106.82

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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.