Home / 55,397,869.74-83,098,497.48-19,005,749.60

Finding the Fourth Proportional to 55,397,869.74, 83,098,497.48 and 19,005,749.60

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Solution

The fourth proportional to 55,397,869.74, 83,098,497.48 and 19,005,749.60 is: 28,509,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397,869.74 : 83,098,497.48 = 19,005,749.60 : x
  2. Step 2: Convert to fraction form
    55,397,869.74/83,098,497.48 = 19,005,749.60/x
  3. Step 3: Cross multiply
    55,397,869.74x = 83,098,497.48 × 19,005,749.60
  4. Step 4: Simplify right side
    55,397,869.74x = 1,579,349,235,640,302.75
  5. Step 5: Solve for x
    x = 1,579,349,235,640,302.75/55,397,869.74
  6. Step 6: Final answer
    x = 28,509,205.19

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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.