Home / 275,108,841.63-379,652,667.21-149,663,771.01

Finding the Fourth Proportional to 275,108,841.63, 379,652,667.21 and 149,663,771.01

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Solution

The fourth proportional to 275,108,841.63, 379,652,667.21 and 149,663,771.01 is: 206,537,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,108,841.63 : 379,652,667.21 = 149,663,771.01 : x
  2. Step 2: Convert to fraction form
    275,108,841.63/379,652,667.21 = 149,663,771.01/x
  3. Step 3: Cross multiply
    275,108,841.63x = 379,652,667.21 × 149,663,771.01
  4. Step 4: Simplify right side
    275,108,841.63x = 56,820,249,848,653,168
  5. Step 5: Solve for x
    x = 56,820,249,848,653,168/275,108,841.63
  6. Step 6: Final answer
    x = 206,537,345.41

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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.