Home / 231,824,429.20-347,736,643.80-207,637,958.80

Finding the Fourth Proportional to 231,824,429.20, 347,736,643.80 and 207,637,958.80

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Solution

The fourth proportional to 231,824,429.20, 347,736,643.80 and 207,637,958.80 is: 311,456,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,429.20 : 347,736,643.80 = 207,637,958.80 : x
  2. Step 2: Convert to fraction form
    231,824,429.20/347,736,643.80 = 207,637,958.80/x
  3. Step 3: Cross multiply
    231,824,429.20x = 347,736,643.80 × 207,637,958.80
  4. Step 4: Simplify right side
    231,824,429.20x = 72,203,326,918,594,688
  5. Step 5: Solve for x
    x = 72,203,326,918,594,688/231,824,429.20
  6. Step 6: Final answer
    x = 311,456,938.20

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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.