Home / 180,439,530.16-248,963,872.48-102,123,081.35

Finding the Fourth Proportional to 180,439,530.16, 248,963,872.48 and 102,123,081.35

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Solution

The fourth proportional to 180,439,530.16, 248,963,872.48 and 102,123,081.35 is: 140,905,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,439,530.16 : 248,963,872.48 = 102,123,081.35 : x
  2. Step 2: Convert to fraction form
    180,439,530.16/248,963,872.48 = 102,123,081.35/x
  3. Step 3: Cross multiply
    180,439,530.16x = 248,963,872.48 × 102,123,081.35
  4. Step 4: Simplify right side
    180,439,530.16x = 25,424,957,802,853,168
  5. Step 5: Solve for x
    x = 25,424,957,802,853,168/180,439,530.16
  6. Step 6: Final answer
    x = 140,905,697.22

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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.