Home / 248,833,585.80-373,250,378.70-212,553,880.20

Finding the Fourth Proportional to 248,833,585.80, 373,250,378.70 and 212,553,880.20

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Solution

The fourth proportional to 248,833,585.80, 373,250,378.70 and 212,553,880.20 is: 318,830,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,585.80 : 373,250,378.70 = 212,553,880.20 : x
  2. Step 2: Convert to fraction form
    248,833,585.80/373,250,378.70 = 212,553,880.20/x
  3. Step 3: Cross multiply
    248,833,585.80x = 373,250,378.70 × 212,553,880.20
  4. Step 4: Simplify right side
    248,833,585.80x = 79,335,816,278,804,432
  5. Step 5: Solve for x
    x = 79,335,816,278,804,432/248,833,585.80
  6. Step 6: Final answer
    x = 318,830,820.30

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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.