Home / 161,235,841,952.19-222,510,806,002.77-87,996,082,862.64

Finding the Fourth Proportional to 161,235,841,952.19, 222,510,806,002.77 and 87,996,082,862.64

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Solution

The fourth proportional to 161,235,841,952.19, 222,510,806,002.77 and 87,996,082,862.64 is: 121,437,510,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,235,841,952.19 : 222,510,806,002.77 = 87,996,082,862.64 : x
  2. Step 2: Convert to fraction form
    161,235,841,952.19/222,510,806,002.77 = 87,996,082,862.64/x
  3. Step 3: Cross multiply
    161,235,841,952.19x = 222,510,806,002.77 × 87,996,082,862.64
  4. Step 4: Simplify right side
    161,235,841,952.19x = 19,580,079,322,852,562,567,168
  5. Step 5: Solve for x
    x = 19,580,079,322,852,562,567,168/161,235,841,952.19
  6. Step 6: Final answer
    x = 121,437,510,951.56

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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.