Home / 55,492,928.60-76,580,405.30-30,714,836.42

Finding the Fourth Proportional to 55,492,928.60, 76,580,405.30 and 30,714,836.42

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Solution

The fourth proportional to 55,492,928.60, 76,580,405.30 and 30,714,836.42 is: 42,386,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,492,928.60 : 76,580,405.30 = 30,714,836.42 : x
  2. Step 2: Convert to fraction form
    55,492,928.60/76,580,405.30 = 30,714,836.42/x
  3. Step 3: Cross multiply
    55,492,928.60x = 76,580,405.30 × 30,714,836.42
  4. Step 4: Simplify right side
    55,492,928.60x = 2,352,154,622,035,039
  5. Step 5: Solve for x
    x = 2,352,154,622,035,039/55,492,928.60
  6. Step 6: Final answer
    x = 42,386,564.95

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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.