Home / 210,627,853.24-290,668,279.80-117,816,997

Finding the Fourth Proportional to 210,627,853.24, 290,668,279.80 and 117,816,997

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Solution

The fourth proportional to 210,627,853.24, 290,668,279.80 and 117,816,997 is: 162,588,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,627,853.24 : 290,668,279.80 = 117,816,997 : x
  2. Step 2: Convert to fraction form
    210,627,853.24/290,668,279.80 = 117,816,997/x
  3. Step 3: Cross multiply
    210,627,853.24x = 290,668,279.80 × 117,816,997
  4. Step 4: Simplify right side
    210,627,853.24x = 34,245,663,849,191,764
  5. Step 5: Solve for x
    x = 34,245,663,849,191,764/210,627,853.24
  6. Step 6: Final answer
    x = 162,588,486.39

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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.