Home / 203,517,730.08-305,237,655.60-79,020,361.52

Finding the Fourth Proportional to 203,517,730.08, 305,237,655.60 and 79,020,361.52

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Solution

The fourth proportional to 203,517,730.08, 305,237,655.60 and 79,020,361.52 is: 118,515,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,517,730.08 : 305,237,655.60 = 79,020,361.52 : x
  2. Step 2: Convert to fraction form
    203,517,730.08/305,237,655.60 = 79,020,361.52/x
  3. Step 3: Cross multiply
    203,517,730.08x = 305,237,655.60 × 79,020,361.52
  4. Step 4: Simplify right side
    203,517,730.08x = 24,119,989,895,029,252
  5. Step 5: Solve for x
    x = 24,119,989,895,029,252/203,517,730.08
  6. Step 6: Final answer
    x = 118,515,423.13

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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.