Home / 84,028,891,987.80-115,959,524,266.49-45,447,854,948.55

Finding the Fourth Proportional to 84,028,891,987.80, 115,959,524,266.49 and 45,447,854,948.55

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Solution

The fourth proportional to 84,028,891,987.80, 115,959,524,266.49 and 45,447,854,948.55 is: 62,717,852,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,028,891,987.80 : 115,959,524,266.49 = 45,447,854,948.55 : x
  2. Step 2: Convert to fraction form
    84,028,891,987.80/115,959,524,266.49 = 45,447,854,948.55/x
  3. Step 3: Cross multiply
    84,028,891,987.80x = 115,959,524,266.49 × 45,447,854,948.55
  4. Step 4: Simplify right side
    84,028,891,987.80x = 5,270,111,638,766,302,003,200
  5. Step 5: Solve for x
    x = 5,270,111,638,766,302,003,200/84,028,891,987.80
  6. Step 6: Final answer
    x = 62,717,852,325.50

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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.