Home / 157,395,386.80-236,093,080.20-128,673,953.20

Finding the Fourth Proportional to 157,395,386.80, 236,093,080.20 and 128,673,953.20

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Solution

The fourth proportional to 157,395,386.80, 236,093,080.20 and 128,673,953.20 is: 193,010,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,395,386.80 : 236,093,080.20 = 128,673,953.20 : x
  2. Step 2: Convert to fraction form
    157,395,386.80/236,093,080.20 = 128,673,953.20/x
  3. Step 3: Cross multiply
    157,395,386.80x = 236,093,080.20 × 128,673,953.20
  4. Step 4: Simplify right side
    157,395,386.80x = 30,379,029,952,498,644
  5. Step 5: Solve for x
    x = 30,379,029,952,498,644/157,395,386.80
  6. Step 6: Final answer
    x = 193,010,929.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.