Home / 125,850,854.40-173,682,907.86-76,293,316.85

Finding the Fourth Proportional to 125,850,854.40, 173,682,907.86 and 76,293,316.85

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Solution

The fourth proportional to 125,850,854.40, 173,682,907.86 and 76,293,316.85 is: 105,290,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,850,854.40 : 173,682,907.86 = 76,293,316.85 : x
  2. Step 2: Convert to fraction form
    125,850,854.40/173,682,907.86 = 76,293,316.85/x
  3. Step 3: Cross multiply
    125,850,854.40x = 173,682,907.86 × 76,293,316.85
  4. Step 4: Simplify right side
    125,850,854.40x = 13,250,845,119,542,454
  5. Step 5: Solve for x
    x = 13,250,845,119,542,454/125,850,854.40
  6. Step 6: Final answer
    x = 105,290,068.81

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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.