Home / 105,902,687.78-146,118,567.38-61,824,357.74

Finding the Fourth Proportional to 105,902,687.78, 146,118,567.38 and 61,824,357.74

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Solution

The fourth proportional to 105,902,687.78, 146,118,567.38 and 61,824,357.74 is: 85,301,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,902,687.78 : 146,118,567.38 = 61,824,357.74 : x
  2. Step 2: Convert to fraction form
    105,902,687.78/146,118,567.38 = 61,824,357.74/x
  3. Step 3: Cross multiply
    105,902,687.78x = 146,118,567.38 × 61,824,357.74
  4. Step 4: Simplify right side
    105,902,687.78x = 9,033,686,582,213,590
  5. Step 5: Solve for x
    x = 9,033,686,582,213,590/105,902,687.78
  6. Step 6: Final answer
    x = 85,301,768.74

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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.