Home / 157,278,325.99-235,917,285.94-42,262,869.82

Finding the Fourth Proportional to 157,278,325.99, 235,917,285.94 and 42,262,869.82

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Solution

The fourth proportional to 157,278,325.99, 235,917,285.94 and 42,262,869.82 is: 63,394,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278,325.99 : 235,917,285.94 = 42,262,869.82 : x
  2. Step 2: Convert to fraction form
    157,278,325.99/235,917,285.94 = 42,262,869.82/x
  3. Step 3: Cross multiply
    157,278,325.99x = 235,917,285.94 × 42,262,869.82
  4. Step 4: Simplify right side
    157,278,325.99x = 9,970,541,543,969,936
  5. Step 5: Solve for x
    x = 9,970,541,543,969,936/157,278,325.99
  6. Step 6: Final answer
    x = 63,394,250.17

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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.