Home / 255,395,496.96-352,445,779.80-137,920,817.61

Finding the Fourth Proportional to 255,395,496.96, 352,445,779.80 and 137,920,817.61

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Solution

The fourth proportional to 255,395,496.96, 352,445,779.80 and 137,920,817.61 is: 190,330,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,395,496.96 : 352,445,779.80 = 137,920,817.61 : x
  2. Step 2: Convert to fraction form
    255,395,496.96/352,445,779.80 = 137,920,817.61/x
  3. Step 3: Cross multiply
    255,395,496.96x = 352,445,779.80 × 137,920,817.61
  4. Step 4: Simplify right side
    255,395,496.96x = 48,609,610,113,210,032
  5. Step 5: Solve for x
    x = 48,609,610,113,210,032/255,395,496.96
  6. Step 6: Final answer
    x = 190,330,725.06

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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.