Home / 55,287,803.18-76,298,787.30-30,171,530.88

Finding the Fourth Proportional to 55,287,803.18, 76,298,787.30 and 30,171,530.88

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Solution

The fourth proportional to 55,287,803.18, 76,298,787.30 and 30,171,530.88 is: 41,637,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287,803.18 : 76,298,787.30 = 30,171,530.88 : x
  2. Step 2: Convert to fraction form
    55,287,803.18/76,298,787.30 = 30,171,530.88/x
  3. Step 3: Cross multiply
    55,287,803.18x = 76,298,787.30 × 30,171,530.88
  4. Step 4: Simplify right side
    55,287,803.18x = 2,302,051,217,128,501.50
  5. Step 5: Solve for x
    x = 2,302,051,217,128,501.50/55,287,803.18
  6. Step 6: Final answer
    x = 41,637,596.08

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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.