Home / 233,090,301.02-321,660,741.75-128,665,671.26

Finding the Fourth Proportional to 233,090,301.02, 321,660,741.75 and 128,665,671.26

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Solution

The fourth proportional to 233,090,301.02, 321,660,741.75 and 128,665,671.26 is: 177,556,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,090,301.02 : 321,660,741.75 = 128,665,671.26 : x
  2. Step 2: Convert to fraction form
    233,090,301.02/321,660,741.75 = 128,665,671.26/x
  3. Step 3: Cross multiply
    233,090,301.02x = 321,660,741.75 × 128,665,671.26
  4. Step 4: Simplify right side
    233,090,301.02x = 41,386,695,255,253,256
  5. Step 5: Solve for x
    x = 41,386,695,255,253,256/233,090,301.02
  6. Step 6: Final answer
    x = 177,556,488.08

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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.