Home / 133,399,797.12-199,960,960.32-51,574,872.96

Finding the Fourth Proportional to 133,399,797.12, 199,960,960.32 and 51,574,872.96

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Solution

The fourth proportional to 133,399,797.12, 199,960,960.32 and 51,574,872.96 is: 77,308,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,399,797.12 : 199,960,960.32 = 51,574,872.96 : x
  2. Step 2: Convert to fraction form
    133,399,797.12/199,960,960.32 = 51,574,872.96/x
  3. Step 3: Cross multiply
    133,399,797.12x = 199,960,960.32 × 51,574,872.96
  4. Step 4: Simplify right side
    133,399,797.12x = 10,312,961,125,463,600
  5. Step 5: Solve for x
    x = 10,312,961,125,463,600/133,399,797.12
  6. Step 6: Final answer
    x = 77,308,671.74

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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.