Home / 251,538,366.45-377,312,598.61-67,305,551.15

Finding the Fourth Proportional to 251,538,366.45, 377,312,598.61 and 67,305,551.15

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Solution

The fourth proportional to 251,538,366.45, 377,312,598.61 and 67,305,551.15 is: 100,959,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,538,366.45 : 377,312,598.61 = 67,305,551.15 : x
  2. Step 2: Convert to fraction form
    251,538,366.45/377,312,598.61 = 67,305,551.15/x
  3. Step 3: Cross multiply
    251,538,366.45x = 377,312,598.61 × 67,305,551.15
  4. Step 4: Simplify right side
    251,538,366.45x = 25,395,232,405,284,776
  5. Step 5: Solve for x
    x = 25,395,232,405,284,776/251,538,366.45
  6. Step 6: Final answer
    x = 100,959,677.70

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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.