Home / 410,902,140.40-616,344,575.32-100,011,490.82

Finding the Fourth Proportional to 410,902,140.40, 616,344,575.32 and 100,011,490.82

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Solution

The fourth proportional to 410,902,140.40, 616,344,575.32 and 100,011,490.82 is: 150,015,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,902,140.40 : 616,344,575.32 = 100,011,490.82 : x
  2. Step 2: Convert to fraction form
    410,902,140.40/616,344,575.32 = 100,011,490.82/x
  3. Step 3: Cross multiply
    410,902,140.40x = 616,344,575.32 × 100,011,490.82
  4. Step 4: Simplify right side
    410,902,140.40x = 61,641,539,836,572,976
  5. Step 5: Solve for x
    x = 61,641,539,836,572,976/410,902,140.40
  6. Step 6: Final answer
    x = 150,015,134.45

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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.