Home / 410,902,136.40-616,344,569.33-100,011,486.83

Finding the Fourth Proportional to 410,902,136.40, 616,344,569.33 and 100,011,486.83

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Solution

The fourth proportional to 410,902,136.40, 616,344,569.33 and 100,011,486.83 is: 150,015,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,902,136.40 : 616,344,569.33 = 100,011,486.83 : x
  2. Step 2: Convert to fraction form
    410,902,136.40/616,344,569.33 = 100,011,486.83/x
  3. Step 3: Cross multiply
    410,902,136.40x = 616,344,569.33 × 100,011,486.83
  4. Step 4: Simplify right side
    410,902,136.40x = 61,641,536,774,707,544
  5. Step 5: Solve for x
    x = 61,641,536,774,707,544/410,902,136.40
  6. Step 6: Final answer
    x = 150,015,128.46

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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.