Home / 103,364,954.70-142,649,991.63-56,955,196.50

Finding the Fourth Proportional to 103,364,954.70, 142,649,991.63 and 56,955,196.50

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Solution

The fourth proportional to 103,364,954.70, 142,649,991.63 and 56,955,196.50 is: 78,601,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,954.70 : 142,649,991.63 = 56,955,196.50 : x
  2. Step 2: Convert to fraction form
    103,364,954.70/142,649,991.63 = 56,955,196.50/x
  3. Step 3: Cross multiply
    103,364,954.70x = 142,649,991.63 × 56,955,196.50
  4. Step 4: Simplify right side
    103,364,954.70x = 8,124,658,304,010,005
  5. Step 5: Solve for x
    x = 8,124,658,304,010,005/103,364,954.70
  6. Step 6: Final answer
    x = 78,601,672.37

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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.