Home / 86,804,561.85-119,889,714.50-57,167,693.79

Finding the Fourth Proportional to 86,804,561.85, 119,889,714.50 and 57,167,693.79

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Solution

The fourth proportional to 86,804,561.85, 119,889,714.50 and 57,167,693.79 is: 78,956,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804,561.85 : 119,889,714.50 = 57,167,693.79 : x
  2. Step 2: Convert to fraction form
    86,804,561.85/119,889,714.50 = 57,167,693.79/x
  3. Step 3: Cross multiply
    86,804,561.85x = 119,889,714.50 × 57,167,693.79
  4. Step 4: Simplify right side
    86,804,561.85x = 6,853,818,487,106,523
  5. Step 5: Solve for x
    x = 6,853,818,487,106,523/86,804,561.85
  6. Step 6: Final answer
    x = 78,956,892.83

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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.