Home / 262,656,078.60-393,984,117.90-174,980,123.40

Finding the Fourth Proportional to 262,656,078.60, 393,984,117.90 and 174,980,123.40

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Solution

The fourth proportional to 262,656,078.60, 393,984,117.90 and 174,980,123.40 is: 262,470,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,078.60 : 393,984,117.90 = 174,980,123.40 : x
  2. Step 2: Convert to fraction form
    262,656,078.60/393,984,117.90 = 174,980,123.40/x
  3. Step 3: Cross multiply
    262,656,078.60x = 393,984,117.90 × 174,980,123.40
  4. Step 4: Simplify right side
    262,656,078.60x = 68,939,389,567,782,144
  5. Step 5: Solve for x
    x = 68,939,389,567,782,144/262,656,078.60
  6. Step 6: Final answer
    x = 262,470,185.10

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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.