Home / 90,577,925.06-124,994,252.94-55,354,658.72

Finding the Fourth Proportional to 90,577,925.06, 124,994,252.94 and 55,354,658.72

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Solution

The fourth proportional to 90,577,925.06, 124,994,252.94 and 55,354,658.72 is: 76,387,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577,925.06 : 124,994,252.94 = 55,354,658.72 : x
  2. Step 2: Convert to fraction form
    90,577,925.06/124,994,252.94 = 55,354,658.72/x
  3. Step 3: Cross multiply
    90,577,925.06x = 124,994,252.94 × 55,354,658.72
  4. Step 4: Simplify right side
    90,577,925.06x = 6,919,014,213,455,056
  5. Step 5: Solve for x
    x = 6,919,014,213,455,056/90,577,925.06
  6. Step 6: Final answer
    x = 76,387,422.31

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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.