Home / 213,024,290.40-319,536,435.60-169,977,569.40

Finding the Fourth Proportional to 213,024,290.40, 319,536,435.60 and 169,977,569.40

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Solution

The fourth proportional to 213,024,290.40, 319,536,435.60 and 169,977,569.40 is: 254,966,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,024,290.40 : 319,536,435.60 = 169,977,569.40 : x
  2. Step 2: Convert to fraction form
    213,024,290.40/319,536,435.60 = 169,977,569.40/x
  3. Step 3: Cross multiply
    213,024,290.40x = 319,536,435.60 × 169,977,569.40
  4. Step 4: Simplify right side
    213,024,290.40x = 54,314,026,658,027,640
  5. Step 5: Solve for x
    x = 54,314,026,658,027,640/213,024,290.40
  6. Step 6: Final answer
    x = 254,966,354.10

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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.