Home / 136,734,588.29-188,693,726.43-74,854,926.86

Finding the Fourth Proportional to 136,734,588.29, 188,693,726.43 and 74,854,926.86

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Solution

The fourth proportional to 136,734,588.29, 188,693,726.43 and 74,854,926.86 is: 103,299,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,734,588.29 : 188,693,726.43 = 74,854,926.86 : x
  2. Step 2: Convert to fraction form
    136,734,588.29/188,693,726.43 = 74,854,926.86/x
  3. Step 3: Cross multiply
    136,734,588.29x = 188,693,726.43 × 74,854,926.86
  4. Step 4: Simplify right side
    136,734,588.29x = 14,124,655,089,915,032
  5. Step 5: Solve for x
    x = 14,124,655,089,915,032/136,734,588.29
  6. Step 6: Final answer
    x = 103,299,796.10

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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.