Home / 101,121,283,850.20-139,547,539,940.80-55,394,562,352.84

Finding the Fourth Proportional to 101,121,283,850.20, 139,547,539,940.80 and 55,394,562,352.84

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Solution

The fourth proportional to 101,121,283,850.20, 139,547,539,940.80 and 55,394,562,352.84 is: 76,444,588,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,283,850.20 : 139,547,539,940.80 = 55,394,562,352.84 : x
  2. Step 2: Convert to fraction form
    101,121,283,850.20/139,547,539,940.80 = 55,394,562,352.84/x
  3. Step 3: Cross multiply
    101,121,283,850.20x = 139,547,539,940.80 × 55,394,562,352.84
  4. Step 4: Simplify right side
    101,121,283,850.20x = 7,730,174,902,435,656,499,200
  5. Step 5: Solve for x
    x = 7,730,174,902,435,656,499,200/101,121,283,850.20
  6. Step 6: Final answer
    x = 76,444,588,202.49

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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.