Home / 77,264,004.40-106,517,783.97-61,636,071.42

Finding the Fourth Proportional to 77,264,004.40, 106,517,783.97 and 61,636,071.42

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Solution

The fourth proportional to 77,264,004.40, 106,517,783.97 and 61,636,071.42 is: 84,972,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,004.40 : 106,517,783.97 = 61,636,071.42 : x
  2. Step 2: Convert to fraction form
    77,264,004.40/106,517,783.97 = 61,636,071.42/x
  3. Step 3: Cross multiply
    77,264,004.40x = 106,517,783.97 × 61,636,071.42
  4. Step 4: Simplify right side
    77,264,004.40x = 6,565,337,740,275,051
  5. Step 5: Solve for x
    x = 6,565,337,740,275,051/77,264,004.40
  6. Step 6: Final answer
    x = 84,972,786.38

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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.