Home / 76,296,548.32-105,292,005.48-43,707,798.88

Finding the Fourth Proportional to 76,296,548.32, 105,292,005.48 and 43,707,798.88

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Solution

The fourth proportional to 76,296,548.32, 105,292,005.48 and 43,707,798.88 is: 60,318,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296,548.32 : 105,292,005.48 = 43,707,798.88 : x
  2. Step 2: Convert to fraction form
    76,296,548.32/105,292,005.48 = 43,707,798.88/x
  3. Step 3: Cross multiply
    76,296,548.32x = 105,292,005.48 × 43,707,798.88
  4. Step 4: Simplify right side
    76,296,548.32x = 4,602,081,799,191,698
  5. Step 5: Solve for x
    x = 4,602,081,799,191,698/76,296,548.32
  6. Step 6: Final answer
    x = 60,318,348.61

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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.