Home / 262,656,085.60-393,984,128.40-174,980,130.40

Finding the Fourth Proportional to 262,656,085.60, 393,984,128.40 and 174,980,130.40

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Solution

The fourth proportional to 262,656,085.60, 393,984,128.40 and 174,980,130.40 is: 262,470,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,085.60 : 393,984,128.40 = 174,980,130.40 : x
  2. Step 2: Convert to fraction form
    262,656,085.60/393,984,128.40 = 174,980,130.40/x
  3. Step 3: Cross multiply
    262,656,085.60x = 393,984,128.40 × 174,980,130.40
  4. Step 4: Simplify right side
    262,656,085.60x = 68,939,394,162,962,344
  5. Step 5: Solve for x
    x = 68,939,394,162,962,344/262,656,085.60
  6. Step 6: Final answer
    x = 262,470,195.60

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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.