Home / 199,740,261.78-299,610,392.70-56,133,093.78

Finding the Fourth Proportional to 199,740,261.78, 299,610,392.70 and 56,133,093.78

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Solution

The fourth proportional to 199,740,261.78, 299,610,392.70 and 56,133,093.78 is: 84,199,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740,261.78 : 299,610,392.70 = 56,133,093.78 : x
  2. Step 2: Convert to fraction form
    199,740,261.78/299,610,392.70 = 56,133,093.78/x
  3. Step 3: Cross multiply
    199,740,261.78x = 299,610,392.70 × 56,133,093.78
  4. Step 4: Simplify right side
    199,740,261.78x = 16,818,058,270,891,728
  5. Step 5: Solve for x
    x = 16,818,058,270,891,728/199,740,261.78
  6. Step 6: Final answer
    x = 84,199,640.68

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1.5x scale

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.