Home / 257,596,238.40-386,842,255.20-136,663,886.40

Finding the Fourth Proportional to 257,596,238.40, 386,842,255.20 and 136,663,886.40

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Solution

The fourth proportional to 257,596,238.40, 386,842,255.20 and 136,663,886.40 is: 205,233,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,596,238.40 : 386,842,255.20 = 136,663,886.40 : x
  2. Step 2: Convert to fraction form
    257,596,238.40/386,842,255.20 = 136,663,886.40/x
  3. Step 3: Cross multiply
    257,596,238.40x = 386,842,255.20 × 136,663,886.40
  4. Step 4: Simplify right side
    257,596,238.40x = 52,867,366,019,372,608
  5. Step 5: Solve for x
    x = 52,867,366,019,372,608/257,596,238.40
  6. Step 6: Final answer
    x = 205,233,455.07

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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.