Home / 257,347,458.16-355,143,087.84-139,872,753.16

Finding the Fourth Proportional to 257,347,458.16, 355,143,087.84 and 139,872,753.16

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Solution

The fourth proportional to 257,347,458.16, 355,143,087.84 and 139,872,753.16 is: 193,026,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,347,458.16 : 355,143,087.84 = 139,872,753.16 : x
  2. Step 2: Convert to fraction form
    257,347,458.16/355,143,087.84 = 139,872,753.16/x
  3. Step 3: Cross multiply
    257,347,458.16x = 355,143,087.84 × 139,872,753.16
  4. Step 4: Simplify right side
    257,347,458.16x = 49,674,841,461,924,512
  5. Step 5: Solve for x
    x = 49,674,841,461,924,512/257,347,458.16
  6. Step 6: Final answer
    x = 193,026,353.62

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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.