Home / 86,873,873,745.40-130,307,263,828.90-30,226,702,230.52

Finding the Fourth Proportional to 86,873,873,745.40, 130,307,263,828.90 and 30,226,702,230.52

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Solution

The fourth proportional to 86,873,873,745.40, 130,307,263,828.90 and 30,226,702,230.52 is: 45,338,819,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873,873,745.40 : 130,307,263,828.90 = 30,226,702,230.52 : x
  2. Step 2: Convert to fraction form
    86,873,873,745.40/130,307,263,828.90 = 30,226,702,230.52/x
  3. Step 3: Cross multiply
    86,873,873,745.40x = 130,307,263,828.90 × 30,226,702,230.52
  4. Step 4: Simplify right side
    86,873,873,745.40x = 3,938,758,862,229,969,829,888
  5. Step 5: Solve for x
    x = 3,938,758,862,229,969,829,888/86,873,873,745.40
  6. Step 6: Final answer
    x = 45,338,819,283.84

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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.