Home / 100,105,875.84-150,103,953.03-30,999,493.86

Finding the Fourth Proportional to 100,105,875.84, 150,103,953.03 and 30,999,493.86

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Solution

The fourth proportional to 100,105,875.84, 150,103,953.03 and 30,999,493.86 is: 46,482,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,105,875.84 : 150,103,953.03 = 30,999,493.86 : x
  2. Step 2: Convert to fraction form
    100,105,875.84/150,103,953.03 = 30,999,493.86/x
  3. Step 3: Cross multiply
    100,105,875.84x = 150,103,953.03 × 30,999,493.86
  4. Step 4: Simplify right side
    100,105,875.84x = 4,653,146,570,315,213
  5. Step 5: Solve for x
    x = 4,653,146,570,315,213/100,105,875.84
  6. Step 6: Final answer
    x = 46,482,252.23

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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.