Home / 149,637,275.56-206,503,487.94-90,886,467.88

Finding the Fourth Proportional to 149,637,275.56, 206,503,487.94 and 90,886,467.88

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Solution

The fourth proportional to 149,637,275.56, 206,503,487.94 and 90,886,467.88 is: 125,425,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,637,275.56 : 206,503,487.94 = 90,886,467.88 : x
  2. Step 2: Convert to fraction form
    149,637,275.56/206,503,487.94 = 90,886,467.88/x
  3. Step 3: Cross multiply
    149,637,275.56x = 206,503,487.94 × 90,886,467.88
  4. Step 4: Simplify right side
    149,637,275.56x = 18,768,372,623,766,776
  5. Step 5: Solve for x
    x = 18,768,372,623,766,776/149,637,275.56
  6. Step 6: Final answer
    x = 125,425,784.14

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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.