Home / 150,165,294.24-207,228,106.08-81,487,662.24

Finding the Fourth Proportional to 150,165,294.24, 207,228,106.08 and 81,487,662.24

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Solution

The fourth proportional to 150,165,294.24, 207,228,106.08 and 81,487,662.24 is: 112,452,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165,294.24 : 207,228,106.08 = 81,487,662.24 : x
  2. Step 2: Convert to fraction form
    150,165,294.24/207,228,106.08 = 81,487,662.24/x
  3. Step 3: Cross multiply
    150,165,294.24x = 207,228,106.08 × 81,487,662.24
  4. Step 4: Simplify right side
    150,165,294.24x = 16,886,533,914,881,930
  5. Step 5: Solve for x
    x = 16,886,533,914,881,930/150,165,294.24
  6. Step 6: Final answer
    x = 112,452,973.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.