Home / 78,036,301.36-117,057,106.68-37,074,600.46

Finding the Fourth Proportional to 78,036,301.36, 117,057,106.68 and 37,074,600.46

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Solution

The fourth proportional to 78,036,301.36, 117,057,106.68 and 37,074,600.46 is: 55,613,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,036,301.36 : 117,057,106.68 = 37,074,600.46 : x
  2. Step 2: Convert to fraction form
    78,036,301.36/117,057,106.68 = 37,074,600.46/x
  3. Step 3: Cross multiply
    78,036,301.36x = 117,057,106.68 × 37,074,600.46
  4. Step 4: Simplify right side
    78,036,301.36x = 4,339,845,461,164,597.50
  5. Step 5: Solve for x
    x = 4,339,845,461,164,597.50/78,036,301.36
  6. Step 6: Final answer
    x = 55,613,161.89

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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.