Home / 155,965,278.60-234,451,802.70-143,872,043.40

Finding the Fourth Proportional to 155,965,278.60, 234,451,802.70 and 143,872,043.40

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Solution

The fourth proportional to 155,965,278.60, 234,451,802.70 and 143,872,043.40 is: 216,272,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,965,278.60 : 234,451,802.70 = 143,872,043.40 : x
  2. Step 2: Convert to fraction form
    155,965,278.60/234,451,802.70 = 143,872,043.40/x
  3. Step 3: Cross multiply
    155,965,278.60x = 234,451,802.70 × 143,872,043.40
  4. Step 4: Simplify right side
    155,965,278.60x = 33,731,059,933,262,636
  5. Step 5: Solve for x
    x = 33,731,059,933,262,636/155,965,278.60
  6. Step 6: Final answer
    x = 216,272,879.68

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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.