Home / 258,701,818.61-357,009,959.77-147,192,656.73

Finding the Fourth Proportional to 258,701,818.61, 357,009,959.77 and 147,192,656.73

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Solution

The fourth proportional to 258,701,818.61, 357,009,959.77 and 147,192,656.73 is: 203,126,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,818.61 : 357,009,959.77 = 147,192,656.73 : x
  2. Step 2: Convert to fraction form
    258,701,818.61/357,009,959.77 = 147,192,656.73/x
  3. Step 3: Cross multiply
    258,701,818.61x = 357,009,959.77 × 147,192,656.73
  4. Step 4: Simplify right side
    258,701,818.61x = 52,549,244,455,909,944
  5. Step 5: Solve for x
    x = 52,549,244,455,909,944/258,701,818.61
  6. Step 6: Final answer
    x = 203,126,691.33

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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.