Home / 125,968,665.61-173,911,327.65-111,991,414.46

Finding the Fourth Proportional to 125,968,665.61, 173,911,327.65 and 111,991,414.46

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Solution

The fourth proportional to 125,968,665.61, 173,911,327.65 and 111,991,414.46 is: 154,614,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968,665.61 : 173,911,327.65 = 111,991,414.46 : x
  2. Step 2: Convert to fraction form
    125,968,665.61/173,911,327.65 = 111,991,414.46/x
  3. Step 3: Cross multiply
    125,968,665.61x = 173,911,327.65 × 111,991,414.46
  4. Step 4: Simplify right side
    125,968,665.61x = 19,476,575,573,720,040
  5. Step 5: Solve for x
    x = 19,476,575,573,720,040/125,968,665.61
  6. Step 6: Final answer
    x = 154,614,447.01

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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.