Home / 90,941,530.21-125,459,714.63-55,660,905.95

Finding the Fourth Proportional to 90,941,530.21, 125,459,714.63 and 55,660,905.95

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Solution

The fourth proportional to 90,941,530.21, 125,459,714.63 and 55,660,905.95 is: 76,787,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941,530.21 : 125,459,714.63 = 55,660,905.95 : x
  2. Step 2: Convert to fraction form
    90,941,530.21/125,459,714.63 = 55,660,905.95/x
  3. Step 3: Cross multiply
    90,941,530.21x = 125,459,714.63 × 55,660,905.95
  4. Step 4: Simplify right side
    90,941,530.21x = 6,983,201,376,046,122
  5. Step 5: Solve for x
    x = 6,983,201,376,046,122/90,941,530.21
  6. Step 6: Final answer
    x = 76,787,814.77

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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.