Home / 210,374,604.75-290,311,385.55-117,555,875.31

Finding the Fourth Proportional to 210,374,604.75, 290,311,385.55 and 117,555,875.31

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Solution

The fourth proportional to 210,374,604.75, 290,311,385.55 and 117,555,875.31 is: 162,223,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,604.75 : 290,311,385.55 = 117,555,875.31 : x
  2. Step 2: Convert to fraction form
    210,374,604.75/290,311,385.55 = 117,555,875.31/x
  3. Step 3: Cross multiply
    210,374,604.75x = 290,311,385.55 × 117,555,875.31
  4. Step 4: Simplify right side
    210,374,604.75x = 34,127,809,040,789,136
  5. Step 5: Solve for x
    x = 34,127,809,040,789,136/210,374,604.75
  6. Step 6: Final answer
    x = 162,223,996.01

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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.