Home / 189,974,047.64-284,589,948.40-130,875,993.20

Finding the Fourth Proportional to 189,974,047.64, 284,589,948.40 and 130,875,993.20

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Solution

The fourth proportional to 189,974,047.64, 284,589,948.40 and 130,875,993.20 is: 196,058,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,974,047.64 : 284,589,948.40 = 130,875,993.20 : x
  2. Step 2: Convert to fraction form
    189,974,047.64/284,589,948.40 = 130,875,993.20/x
  3. Step 3: Cross multiply
    189,974,047.64x = 284,589,948.40 × 130,875,993.20
  4. Step 4: Simplify right side
    189,974,047.64x = 37,245,992,151,586,752
  5. Step 5: Solve for x
    x = 37,245,992,151,586,752/189,974,047.64
  6. Step 6: Final answer
    x = 196,058,317.51

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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.