Home / 373,935,635.12-560,914,879.50-128,288,824.16

Finding the Fourth Proportional to 373,935,635.12, 560,914,879.50 and 128,288,824.16

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Solution

The fourth proportional to 373,935,635.12, 560,914,879.50 and 128,288,824.16 is: 192,437,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,935,635.12 : 560,914,879.50 = 128,288,824.16 : x
  2. Step 2: Convert to fraction form
    373,935,635.12/560,914,879.50 = 128,288,824.16/x
  3. Step 3: Cross multiply
    373,935,635.12x = 560,914,879.50 × 128,288,824.16
  4. Step 4: Simplify right side
    373,935,635.12x = 71,959,110,344,903,088
  5. Step 5: Solve for x
    x = 71,959,110,344,903,088/373,935,635.12
  6. Step 6: Final answer
    x = 192,437,156.52

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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.