Home / 209,959,253.40-314,938,880.10-171,664,008.60

Finding the Fourth Proportional to 209,959,253.40, 314,938,880.10 and 171,664,008.60

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Solution

The fourth proportional to 209,959,253.40, 314,938,880.10 and 171,664,008.60 is: 257,496,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959,253.40 : 314,938,880.10 = 171,664,008.60 : x
  2. Step 2: Convert to fraction form
    209,959,253.40/314,938,880.10 = 171,664,008.60/x
  3. Step 3: Cross multiply
    209,959,253.40x = 314,938,880.10 × 171,664,008.60
  4. Step 4: Simplify right side
    209,959,253.40x = 54,063,670,621,960,768
  5. Step 5: Solve for x
    x = 54,063,670,621,960,768/209,959,253.40
  6. Step 6: Final answer
    x = 257,496,012.90

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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.