Home / 56,670,480.70-85,005,721.05-45,333,072.70

Finding the Fourth Proportional to 56,670,480.70, 85,005,721.05 and 45,333,072.70

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Solution

The fourth proportional to 56,670,480.70, 85,005,721.05 and 45,333,072.70 is: 67,999,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670,480.70 : 85,005,721.05 = 45,333,072.70 : x
  2. Step 2: Convert to fraction form
    56,670,480.70/85,005,721.05 = 45,333,072.70/x
  3. Step 3: Cross multiply
    56,670,480.70x = 85,005,721.05 × 45,333,072.70
  4. Step 4: Simplify right side
    56,670,480.70x = 3,853,570,532,275,570.50
  5. Step 5: Solve for x
    x = 3,853,570,532,275,570.50/56,670,480.70
  6. Step 6: Final answer
    x = 67,999,609.05

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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.