Home / 42,009,171,021.12-57,972,830,672.64-22,718,630,959.24

Finding the Fourth Proportional to 42,009,171,021.12, 57,972,830,672.64 and 22,718,630,959.24

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Solution

The fourth proportional to 42,009,171,021.12, 57,972,830,672.64 and 22,718,630,959.24 is: 31,351,805,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,171,021.12 : 57,972,830,672.64 = 22,718,630,959.24 : x
  2. Step 2: Convert to fraction form
    42,009,171,021.12/57,972,830,672.64 = 22,718,630,959.24/x
  3. Step 3: Cross multiply
    42,009,171,021.12x = 57,972,830,672.64 × 22,718,630,959.24
  4. Step 4: Simplify right side
    42,009,171,021.12x = 1,317,063,345,714,217,353,216
  5. Step 5: Solve for x
    x = 1,317,063,345,714,217,353,216/42,009,171,021.12
  6. Step 6: Final answer
    x = 31,351,805,182.07

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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.