Home / 100,213,646.49-150,124,764.18-47,616,464.16

Finding the Fourth Proportional to 100,213,646.49, 150,124,764.18 and 47,616,464.16

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Solution

The fourth proportional to 100,213,646.49, 150,124,764.18 and 47,616,464.16 is: 71,331,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,213,646.49 : 150,124,764.18 = 47,616,464.16 : x
  2. Step 2: Convert to fraction form
    100,213,646.49/150,124,764.18 = 47,616,464.16/x
  3. Step 3: Cross multiply
    100,213,646.49x = 150,124,764.18 × 47,616,464.16
  4. Step 4: Simplify right side
    100,213,646.49x = 7,148,410,453,105,422
  5. Step 5: Solve for x
    x = 7,148,410,453,105,422/100,213,646.49
  6. Step 6: Final answer
    x = 71,331,706.84

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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.