Home / 100,048,323.49-138,071,001.47-55,394,295.19

Finding the Fourth Proportional to 100,048,323.49, 138,071,001.47 and 55,394,295.19

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Solution

The fourth proportional to 100,048,323.49, 138,071,001.47 and 55,394,295.19 is: 76,446,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,323.49 : 138,071,001.47 = 55,394,295.19 : x
  2. Step 2: Convert to fraction form
    100,048,323.49/138,071,001.47 = 55,394,295.19/x
  3. Step 3: Cross multiply
    100,048,323.49x = 138,071,001.47 × 55,394,295.19
  4. Step 4: Simplify right side
    100,048,323.49x = 7,648,345,811,985,955
  5. Step 5: Solve for x
    x = 7,648,345,811,985,955/100,048,323.49
  6. Step 6: Final answer
    x = 76,446,516.50

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1.5x scale

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.