Home / 317,952,150.80-476,943,972.60-164,897,142.80

Finding the Fourth Proportional to 317,952,150.80, 476,943,972.60 and 164,897,142.80

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Solution

The fourth proportional to 317,952,150.80, 476,943,972.60 and 164,897,142.80 is: 247,353,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,150.80 : 476,943,972.60 = 164,897,142.80 : x
  2. Step 2: Convert to fraction form
    317,952,150.80/476,943,972.60 = 164,897,142.80/x
  3. Step 3: Cross multiply
    317,952,150.80x = 476,943,972.60 × 164,897,142.80
  4. Step 4: Simplify right side
    317,952,150.80x = 78,646,698,357,421,504
  5. Step 5: Solve for x
    x = 78,646,698,357,421,504/317,952,150.80
  6. Step 6: Final answer
    x = 247,353,880.64

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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.