Home / 186,622,043.86-257,635,239.20-136,329,791.86

Finding the Fourth Proportional to 186,622,043.86, 257,635,239.20 and 136,329,791.86

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Solution

The fourth proportional to 186,622,043.86, 257,635,239.20 and 136,329,791.86 is: 188,205,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,622,043.86 : 257,635,239.20 = 136,329,791.86 : x
  2. Step 2: Convert to fraction form
    186,622,043.86/257,635,239.20 = 136,329,791.86/x
  3. Step 3: Cross multiply
    186,622,043.86x = 257,635,239.20 × 136,329,791.86
  4. Step 4: Simplify right side
    186,622,043.86x = 35,123,358,535,937,316
  5. Step 5: Solve for x
    x = 35,123,358,535,937,316/186,622,043.86
  6. Step 6: Final answer
    x = 188,205,840.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.