Home / 219,927,149.64-303,500,173.14-122,142,002.76

Finding the Fourth Proportional to 219,927,149.64, 303,500,173.14 and 122,142,002.76

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Solution

The fourth proportional to 219,927,149.64, 303,500,173.14 and 122,142,002.76 is: 168,556,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,927,149.64 : 303,500,173.14 = 122,142,002.76 : x
  2. Step 2: Convert to fraction form
    219,927,149.64/303,500,173.14 = 122,142,002.76/x
  3. Step 3: Cross multiply
    219,927,149.64x = 303,500,173.14 × 122,142,002.76
  4. Step 4: Simplify right side
    219,927,149.64x = 37,070,118,985,326,360
  5. Step 5: Solve for x
    x = 37,070,118,985,326,360/219,927,149.64
  6. Step 6: Final answer
    x = 168,556,356.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.