Home / 233,337,875.31-322,009,644.92-128,918,348.55

Finding the Fourth Proportional to 233,337,875.31, 322,009,644.92 and 128,918,348.55

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Solution

The fourth proportional to 233,337,875.31, 322,009,644.92 and 128,918,348.55 is: 177,909,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,337,875.31 : 322,009,644.92 = 128,918,348.55 : x
  2. Step 2: Convert to fraction form
    233,337,875.31/322,009,644.92 = 128,918,348.55/x
  3. Step 3: Cross multiply
    233,337,875.31x = 322,009,644.92 × 128,918,348.55
  4. Step 4: Simplify right side
    233,337,875.31x = 41,512,951,639,613,704
  5. Step 5: Solve for x
    x = 41,512,951,639,613,704/233,337,875.31
  6. Step 6: Final answer
    x = 177,909,186.77

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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.