Home / 210,374,588.61-290,311,363.31-117,555,859.17

Finding the Fourth Proportional to 210,374,588.61, 290,311,363.31 and 117,555,859.17

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Solution

The fourth proportional to 210,374,588.61, 290,311,363.31 and 117,555,859.17 is: 162,223,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,588.61 : 290,311,363.31 = 117,555,859.17 : x
  2. Step 2: Convert to fraction form
    210,374,588.61/290,311,363.31 = 117,555,859.17/x
  3. Step 3: Cross multiply
    210,374,588.61x = 290,311,363.31 × 117,555,859.17
  4. Step 4: Simplify right side
    210,374,588.61x = 34,127,801,740,133,288
  5. Step 5: Solve for x
    x = 34,127,801,740,133,288/210,374,588.61
  6. Step 6: Final answer
    x = 162,223,973.75

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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.