Home / 102,641,820.50-141,644,539.32-55,598,007.08

Finding the Fourth Proportional to 102,641,820.50, 141,644,539.32 and 55,598,007.08

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Solution

The fourth proportional to 102,641,820.50, 141,644,539.32 and 55,598,007.08 is: 76,724,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,641,820.50 : 141,644,539.32 = 55,598,007.08 : x
  2. Step 2: Convert to fraction form
    102,641,820.50/141,644,539.32 = 55,598,007.08/x
  3. Step 3: Cross multiply
    102,641,820.50x = 141,644,539.32 × 55,598,007.08
  4. Step 4: Simplify right side
    102,641,820.50x = 7,875,154,100,102,317
  5. Step 5: Solve for x
    x = 7,875,154,100,102,317/102,641,820.50
  6. Step 6: Final answer
    x = 76,724,614.41

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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.