Home / 210,026,261.73-315,039,392.61-56,672,072.13

Finding the Fourth Proportional to 210,026,261.73, 315,039,392.61 and 56,672,072.13

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Solution

The fourth proportional to 210,026,261.73, 315,039,392.61 and 56,672,072.13 is: 85,008,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,026,261.73 : 315,039,392.61 = 56,672,072.13 : x
  2. Step 2: Convert to fraction form
    210,026,261.73/315,039,392.61 = 56,672,072.13/x
  3. Step 3: Cross multiply
    210,026,261.73x = 315,039,392.61 × 56,672,072.13
  4. Step 4: Simplify right side
    210,026,261.73x = 17,853,935,181,785,310
  5. Step 5: Solve for x
    x = 17,853,935,181,785,310/210,026,261.73
  6. Step 6: Final answer
    x = 85,008,108.20

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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.