Home / 320,714,405.52-442,585,879.80-174,036,689.52

Finding the Fourth Proportional to 320,714,405.52, 442,585,879.80 and 174,036,689.52

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Solution

The fourth proportional to 320,714,405.52, 442,585,879.80 and 174,036,689.52 is: 240,170,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,714,405.52 : 442,585,879.80 = 174,036,689.52 : x
  2. Step 2: Convert to fraction form
    320,714,405.52/442,585,879.80 = 174,036,689.52/x
  3. Step 3: Cross multiply
    320,714,405.52x = 442,585,879.80 × 174,036,689.52
  4. Step 4: Simplify right side
    320,714,405.52x = 77,026,181,348,688,640
  5. Step 5: Solve for x
    x = 77,026,181,348,688,640/320,714,405.52
  6. Step 6: Final answer
    x = 240,170,631.64

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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.