Home / 30,121,989.30-45,151,491.15-16,454,114.10

Finding the Fourth Proportional to 30,121,989.30, 45,151,491.15 and 16,454,114.10

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Solution

The fourth proportional to 30,121,989.30, 45,151,491.15 and 16,454,114.10 is: 24,663,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121,989.30 : 45,151,491.15 = 16,454,114.10 : x
  2. Step 2: Convert to fraction form
    30,121,989.30/45,151,491.15 = 16,454,114.10/x
  3. Step 3: Cross multiply
    30,121,989.30x = 45,151,491.15 × 16,454,114.10
  4. Step 4: Simplify right side
    30,121,989.30x = 742,927,787,167,240.12
  5. Step 5: Solve for x
    x = 742,927,787,167,240.12/30,121,989.30
  6. Step 6: Final answer
    x = 24,663,968.23

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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.