Home / 154,907,480.52-213,777,569.70-84,345,827.30

Finding the Fourth Proportional to 154,907,480.52, 213,777,569.70 and 84,345,827.30

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Solution

The fourth proportional to 154,907,480.52, 213,777,569.70 and 84,345,827.30 is: 116,400,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,907,480.52 : 213,777,569.70 = 84,345,827.30 : x
  2. Step 2: Convert to fraction form
    154,907,480.52/213,777,569.70 = 84,345,827.30/x
  3. Step 3: Cross multiply
    154,907,480.52x = 213,777,569.70 × 84,345,827.30
  4. Step 4: Simplify right side
    154,907,480.52x = 18,031,245,973,461,024
  5. Step 5: Solve for x
    x = 18,031,245,973,461,024/154,907,480.52
  6. Step 6: Final answer
    x = 116,400,098.39

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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.