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Finding the Fourth Proportional to 64,946,162.48, 97,283,678.48 and 38,956,039.52

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Solution

The fourth proportional to 64,946,162.48, 97,283,678.48 and 38,956,039.52 is: 58,352,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,946,162.48 : 97,283,678.48 = 38,956,039.52 : x
  2. Step 2: Convert to fraction form
    64,946,162.48/97,283,678.48 = 38,956,039.52/x
  3. Step 3: Cross multiply
    64,946,162.48x = 97,283,678.48 × 38,956,039.52
  4. Step 4: Simplify right side
    64,946,162.48x = 3,789,786,823,517,854
  5. Step 5: Solve for x
    x = 3,789,786,823,517,854/64,946,162.48
  6. Step 6: Final answer
    x = 58,352,744.47

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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.