Home / 217,151,393.58-299,670,929.28-118,032,374.22

Finding the Fourth Proportional to 217,151,393.58, 299,670,929.28 and 118,032,374.22

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Solution

The fourth proportional to 217,151,393.58, 299,670,929.28 and 118,032,374.22 is: 162,885,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,151,393.58 : 299,670,929.28 = 118,032,374.22 : x
  2. Step 2: Convert to fraction form
    217,151,393.58/299,670,929.28 = 118,032,374.22/x
  3. Step 3: Cross multiply
    217,151,393.58x = 299,670,929.28 × 118,032,374.22
  4. Step 4: Simplify right side
    217,151,393.58x = 35,370,871,267,632,112
  5. Step 5: Solve for x
    x = 35,370,871,267,632,112/217,151,393.58
  6. Step 6: Final answer
    x = 162,885,766.86

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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.