Home / 77,725,971.25-116,629,307.02-31,701,606.01

Finding the Fourth Proportional to 77,725,971.25, 116,629,307.02 and 31,701,606.01

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Solution

The fourth proportional to 77,725,971.25, 116,629,307.02 and 31,701,606.01 is: 47,568,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725,971.25 : 116,629,307.02 = 31,701,606.01 : x
  2. Step 2: Convert to fraction form
    77,725,971.25/116,629,307.02 = 31,701,606.01/x
  3. Step 3: Cross multiply
    77,725,971.25x = 116,629,307.02 × 31,701,606.01
  4. Step 4: Simplify right side
    77,725,971.25x = 3,697,336,340,115,421
  5. Step 5: Solve for x
    x = 3,697,336,340,115,421/77,725,971.25
  6. Step 6: Final answer
    x = 47,568,866.37

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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.