Home / 217,822,605.89-300,586,449.71-118,701,240.66

Finding the Fourth Proportional to 217,822,605.89, 300,586,449.71 and 118,701,240.66

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Solution

The fourth proportional to 217,822,605.89, 300,586,449.71 and 118,701,240.66 is: 163,802,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,822,605.89 : 300,586,449.71 = 118,701,240.66 : x
  2. Step 2: Convert to fraction form
    217,822,605.89/300,586,449.71 = 118,701,240.66/x
  3. Step 3: Cross multiply
    217,822,605.89x = 300,586,449.71 × 118,701,240.66
  4. Step 4: Simplify right side
    217,822,605.89x = 35,679,984,506,458,448
  5. Step 5: Solve for x
    x = 35,679,984,506,458,448/217,822,605.89
  6. Step 6: Final answer
    x = 163,802,945.80

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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.