Home / 156,826,670.58-235,209,005.12-149,049,326.78

Finding the Fourth Proportional to 156,826,670.58, 235,209,005.12 and 149,049,326.78

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Solution

The fourth proportional to 156,826,670.58, 235,209,005.12 and 149,049,326.78 is: 223,544,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,826,670.58 : 235,209,005.12 = 149,049,326.78 : x
  2. Step 2: Convert to fraction form
    156,826,670.58/235,209,005.12 = 149,049,326.78/x
  3. Step 3: Cross multiply
    156,826,670.58x = 235,209,005.12 × 149,049,326.78
  4. Step 4: Simplify right side
    156,826,670.58x = 35,057,743,865,729,576
  5. Step 5: Solve for x
    x = 35,057,743,865,729,576/156,826,670.58
  6. Step 6: Final answer
    x = 223,544,526.81

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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.