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Finding the Fourth Proportional to 64,994,163.84, 97,491,239.84 and 28,602,554.16

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Solution

The fourth proportional to 64,994,163.84, 97,491,239.84 and 28,602,554.16 is: 42,903,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994,163.84 : 97,491,239.84 = 28,602,554.16 : x
  2. Step 2: Convert to fraction form
    64,994,163.84/97,491,239.84 = 28,602,554.16/x
  3. Step 3: Cross multiply
    64,994,163.84x = 97,491,239.84 × 28,602,554.16
  4. Step 4: Simplify right side
    64,994,163.84x = 2,788,498,467,649,150
  5. Step 5: Solve for x
    x = 2,788,498,467,649,150/64,994,163.84
  6. Step 6: Final answer
    x = 42,903,828.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.