Home / 157,385,613.76-217,118,020.80-102,361,393.60

Finding the Fourth Proportional to 157,385,613.76, 217,118,020.80 and 102,361,393.60

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Solution

The fourth proportional to 157,385,613.76, 217,118,020.80 and 102,361,393.60 is: 141,210,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,385,613.76 : 217,118,020.80 = 102,361,393.60 : x
  2. Step 2: Convert to fraction form
    157,385,613.76/217,118,020.80 = 102,361,393.60/x
  3. Step 3: Cross multiply
    157,385,613.76x = 217,118,020.80 × 102,361,393.60
  4. Step 4: Simplify right side
    157,385,613.76x = 22,224,503,184,761,788
  5. Step 5: Solve for x
    x = 22,224,503,184,761,788/157,385,613.76
  6. Step 6: Final answer
    x = 141,210,512.54

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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.