Home / 105,868,663.61-146,099,783.23-61,211,282.72

Finding the Fourth Proportional to 105,868,663.61, 146,099,783.23 and 61,211,282.72

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Solution

The fourth proportional to 105,868,663.61, 146,099,783.23 and 61,211,282.72 is: 84,472,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,868,663.61 : 146,099,783.23 = 61,211,282.72 : x
  2. Step 2: Convert to fraction form
    105,868,663.61/146,099,783.23 = 61,211,282.72/x
  3. Step 3: Cross multiply
    105,868,663.61x = 146,099,783.23 × 61,211,282.72
  4. Step 4: Simplify right side
    105,868,663.61x = 8,942,955,135,738,718
  5. Step 5: Solve for x
    x = 8,942,955,135,738,718/105,868,663.61
  6. Step 6: Final answer
    x = 84,472,164.20

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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.