Home / 255,395,516.40-352,445,806.53-137,920,837.02

Finding the Fourth Proportional to 255,395,516.40, 352,445,806.53 and 137,920,837.02

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Solution

The fourth proportional to 255,395,516.40, 352,445,806.53 and 137,920,837.02 is: 190,330,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,395,516.40 : 352,445,806.53 = 137,920,837.02 : x
  2. Step 2: Convert to fraction form
    255,395,516.40/352,445,806.53 = 137,920,837.02/x
  3. Step 3: Cross multiply
    255,395,516.40x = 352,445,806.53 × 137,920,837.02
  4. Step 4: Simplify right side
    255,395,516.40x = 48,609,620,640,806,584
  5. Step 5: Solve for x
    x = 48,609,620,640,806,584/255,395,516.40
  6. Step 6: Final answer
    x = 190,330,751.79

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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.