Home / 210,374,589.74-290,311,364.85-117,555,860.30

Finding the Fourth Proportional to 210,374,589.74, 290,311,364.85 and 117,555,860.30

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Solution

The fourth proportional to 210,374,589.74, 290,311,364.85 and 117,555,860.30 is: 162,223,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,589.74 : 290,311,364.85 = 117,555,860.30 : x
  2. Step 2: Convert to fraction form
    210,374,589.74/290,311,364.85 = 117,555,860.30/x
  3. Step 3: Cross multiply
    210,374,589.74x = 290,311,364.85 × 117,555,860.30
  4. Step 4: Simplify right side
    210,374,589.74x = 34,127,802,248,357,376
  5. Step 5: Solve for x
    x = 34,127,802,248,357,376/210,374,589.74
  6. Step 6: Final answer
    x = 162,223,975.30

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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.