Home / 90,872,050.35-125,413,302.47-56,063,845.83

Finding the Fourth Proportional to 90,872,050.35, 125,413,302.47 and 56,063,845.83

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Solution

The fourth proportional to 90,872,050.35, 125,413,302.47 and 56,063,845.83 is: 77,374,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872,050.35 : 125,413,302.47 = 56,063,845.83 : x
  2. Step 2: Convert to fraction form
    90,872,050.35/125,413,302.47 = 56,063,845.83/x
  3. Step 3: Cross multiply
    90,872,050.35x = 125,413,302.47 × 56,063,845.83
  4. Step 4: Simplify right side
    90,872,050.35x = 7,031,152,054,428,919
  5. Step 5: Solve for x
    x = 7,031,152,054,428,919/90,872,050.35
  6. Step 6: Final answer
    x = 77,374,198.42

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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.