Home / 100,616,722.29-150,925,118.31-31,534,885.80

Finding the Fourth Proportional to 100,616,722.29, 150,925,118.31 and 31,534,885.80

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Solution

The fourth proportional to 100,616,722.29, 150,925,118.31 and 31,534,885.80 is: 47,302,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,616,722.29 : 150,925,118.31 = 31,534,885.80 : x
  2. Step 2: Convert to fraction form
    100,616,722.29/150,925,118.31 = 31,534,885.80/x
  3. Step 3: Cross multiply
    100,616,722.29x = 150,925,118.31 × 31,534,885.80
  4. Step 4: Simplify right side
    100,616,722.29x = 4,759,406,370,257,339
  5. Step 5: Solve for x
    x = 4,759,406,370,257,339/100,616,722.29
  6. Step 6: Final answer
    x = 47,302,339.63

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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.