Home / 210,374,590.50-290,311,365.90-117,555,861.06

Finding the Fourth Proportional to 210,374,590.50, 290,311,365.90 and 117,555,861.06

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Solution

The fourth proportional to 210,374,590.50, 290,311,365.90 and 117,555,861.06 is: 162,223,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,590.50 : 290,311,365.90 = 117,555,861.06 : x
  2. Step 2: Convert to fraction form
    210,374,590.50/290,311,365.90 = 117,555,861.06/x
  3. Step 3: Cross multiply
    210,374,590.50x = 290,311,365.90 × 117,555,861.06
  4. Step 4: Simplify right side
    210,374,590.50x = 34,127,802,593,879,220
  5. Step 5: Solve for x
    x = 34,127,802,593,879,220/210,374,590.50
  6. Step 6: Final answer
    x = 162,223,976.35

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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.