Home / 210,026,286.80-315,039,430.20-56,672,097.20

Finding the Fourth Proportional to 210,026,286.80, 315,039,430.20 and 56,672,097.20

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Solution

The fourth proportional to 210,026,286.80, 315,039,430.20 and 56,672,097.20 is: 85,008,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,026,286.80 : 315,039,430.20 = 56,672,097.20 : x
  2. Step 2: Convert to fraction form
    210,026,286.80/315,039,430.20 = 56,672,097.20/x
  3. Step 3: Cross multiply
    210,026,286.80x = 315,039,430.20 × 56,672,097.20
  4. Step 4: Simplify right side
    210,026,286.80x = 17,853,945,210,127,016
  5. Step 5: Solve for x
    x = 17,853,945,210,127,016/210,026,286.80
  6. Step 6: Final answer
    x = 85,008,145.80

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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.