Home / 186,622,042.86-257,635,237.82-136,329,790.86

Finding the Fourth Proportional to 186,622,042.86, 257,635,237.82 and 136,329,790.86

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Solution

The fourth proportional to 186,622,042.86, 257,635,237.82 and 136,329,790.86 is: 188,205,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,622,042.86 : 257,635,237.82 = 136,329,790.86 : x
  2. Step 2: Convert to fraction form
    186,622,042.86/257,635,237.82 = 136,329,790.86/x
  3. Step 3: Cross multiply
    186,622,042.86x = 257,635,237.82 × 136,329,790.86
  4. Step 4: Simplify right side
    186,622,042.86x = 35,123,358,089,485,316
  5. Step 5: Solve for x
    x = 35,123,358,089,485,316/186,622,042.86
  6. Step 6: Final answer
    x = 188,205,838.66

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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.