Home / 101,495,374.12-140,063,754.54-55,085,628.64

Finding the Fourth Proportional to 101,495,374.12, 140,063,754.54 and 55,085,628.64

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Solution

The fourth proportional to 101,495,374.12, 140,063,754.54 and 55,085,628.64 is: 76,018,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,374.12 : 140,063,754.54 = 55,085,628.64 : x
  2. Step 2: Convert to fraction form
    101,495,374.12/140,063,754.54 = 55,085,628.64/x
  3. Step 3: Cross multiply
    101,495,374.12x = 140,063,754.54 × 55,085,628.64
  4. Step 4: Simplify right side
    101,495,374.12x = 7,715,499,968,514,554
  5. Step 5: Solve for x
    x = 7,715,499,968,514,554/101,495,374.12
  6. Step 6: Final answer
    x = 76,018,242.56

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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.