Home / 125,850,854.15-173,682,907.51-76,293,316.59

Finding the Fourth Proportional to 125,850,854.15, 173,682,907.51 and 76,293,316.59

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Solution

The fourth proportional to 125,850,854.15, 173,682,907.51 and 76,293,316.59 is: 105,290,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,850,854.15 : 173,682,907.51 = 76,293,316.59 : x
  2. Step 2: Convert to fraction form
    125,850,854.15/173,682,907.51 = 76,293,316.59/x
  3. Step 3: Cross multiply
    125,850,854.15x = 173,682,907.51 × 76,293,316.59
  4. Step 4: Simplify right side
    125,850,854.15x = 13,250,845,048,932,118
  5. Step 5: Solve for x
    x = 13,250,845,048,932,118/125,850,854.15
  6. Step 6: Final answer
    x = 105,290,068.46

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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.