Home / 74,729,263.85-103,126,428.48-41,689,512.84

Finding the Fourth Proportional to 74,729,263.85, 103,126,428.48 and 41,689,512.84

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Solution

The fourth proportional to 74,729,263.85, 103,126,428.48 and 41,689,512.84 is: 57,531,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,729,263.85 : 103,126,428.48 = 41,689,512.84 : x
  2. Step 2: Convert to fraction form
    74,729,263.85/103,126,428.48 = 41,689,512.84/x
  3. Step 3: Cross multiply
    74,729,263.85x = 103,126,428.48 × 41,689,512.84
  4. Step 4: Simplify right side
    74,729,263.85x = 4,299,290,564,803,361.50
  5. Step 5: Solve for x
    x = 4,299,290,564,803,361.50/74,729,263.85
  6. Step 6: Final answer
    x = 57,531,552.47

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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.