Home / 351,020,206.80-526,530,310.20-169,621,678.80

Finding the Fourth Proportional to 351,020,206.80, 526,530,310.20 and 169,621,678.80

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Solution

The fourth proportional to 351,020,206.80, 526,530,310.20 and 169,621,678.80 is: 254,432,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,020,206.80 : 526,530,310.20 = 169,621,678.80 : x
  2. Step 2: Convert to fraction form
    351,020,206.80/526,530,310.20 = 169,621,678.80/x
  3. Step 3: Cross multiply
    351,020,206.80x = 526,530,310.20 × 169,621,678.80
  4. Step 4: Simplify right side
    351,020,206.80x = 89,310,955,155,208,768
  5. Step 5: Solve for x
    x = 89,310,955,155,208,768/351,020,206.80
  6. Step 6: Final answer
    x = 254,432,518.20

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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.