Home / 456,194,038.40-684,039,115.20-149,328,195.20

Finding the Fourth Proportional to 456,194,038.40, 684,039,115.20 and 149,328,195.20

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Solution

The fourth proportional to 456,194,038.40, 684,039,115.20 and 149,328,195.20 is: 223,909,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,194,038.40 : 684,039,115.20 = 149,328,195.20 : x
  2. Step 2: Convert to fraction form
    456,194,038.40/684,039,115.20 = 149,328,195.20/x
  3. Step 3: Cross multiply
    456,194,038.40x = 684,039,115.20 × 149,328,195.20
  4. Step 4: Simplify right side
    456,194,038.40x = 102,146,326,519,020,880
  5. Step 5: Solve for x
    x = 102,146,326,519,020,880/456,194,038.40
  6. Step 6: Final answer
    x = 223,909,823.28

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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.