Home / 66,379,737.51-91,543,161.02-45,502,110.63

Finding the Fourth Proportional to 66,379,737.51, 91,543,161.02 and 45,502,110.63

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Solution

The fourth proportional to 66,379,737.51, 91,543,161.02 and 45,502,110.63 is: 62,751,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379,737.51 : 91,543,161.02 = 45,502,110.63 : x
  2. Step 2: Convert to fraction form
    66,379,737.51/91,543,161.02 = 45,502,110.63/x
  3. Step 3: Cross multiply
    66,379,737.51x = 91,543,161.02 × 45,502,110.63
  4. Step 4: Simplify right side
    66,379,737.51x = 4,165,407,039,924,433.50
  5. Step 5: Solve for x
    x = 4,165,407,039,924,433.50/66,379,737.51
  6. Step 6: Final answer
    x = 62,751,182.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.