Home / 67,428,840.36-93,051,799.80-36,489,009.63

Finding the Fourth Proportional to 67,428,840.36, 93,051,799.80 and 36,489,009.63

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Solution

The fourth proportional to 67,428,840.36, 93,051,799.80 and 36,489,009.63 is: 50,354,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428,840.36 : 93,051,799.80 = 36,489,009.63 : x
  2. Step 2: Convert to fraction form
    67,428,840.36/93,051,799.80 = 36,489,009.63/x
  3. Step 3: Cross multiply
    67,428,840.36x = 93,051,799.80 × 36,489,009.63
  4. Step 4: Simplify right side
    67,428,840.36x = 3,395,368,018,991,032
  5. Step 5: Solve for x
    x = 3,395,368,018,991,032/67,428,840.36
  6. Step 6: Final answer
    x = 50,354,833.35

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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.