Home / 30,121,990.80-45,151,493.40-16,454,115.60

Finding the Fourth Proportional to 30,121,990.80, 45,151,493.40 and 16,454,115.60

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Solution

The fourth proportional to 30,121,990.80, 45,151,493.40 and 16,454,115.60 is: 24,663,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121,990.80 : 45,151,493.40 = 16,454,115.60 : x
  2. Step 2: Convert to fraction form
    30,121,990.80/45,151,493.40 = 16,454,115.60/x
  3. Step 3: Cross multiply
    30,121,990.80x = 45,151,493.40 × 16,454,115.60
  4. Step 4: Simplify right side
    30,121,990.80x = 742,927,891,916,237
  5. Step 5: Solve for x
    x = 742,927,891,916,237/30,121,990.80
  6. Step 6: Final answer
    x = 24,663,970.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.