Home / 186,591,345.78-257,589,280.53-116,049,693.72

Finding the Fourth Proportional to 186,591,345.78, 257,589,280.53 and 116,049,693.72

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Solution

The fourth proportional to 186,591,345.78, 257,589,280.53 and 116,049,693.72 is: 160,206,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,591,345.78 : 257,589,280.53 = 116,049,693.72 : x
  2. Step 2: Convert to fraction form
    186,591,345.78/257,589,280.53 = 116,049,693.72/x
  3. Step 3: Cross multiply
    186,591,345.78x = 257,589,280.53 × 116,049,693.72
  4. Step 4: Simplify right side
    186,591,345.78x = 29,893,157,111,061,660
  5. Step 5: Solve for x
    x = 29,893,157,111,061,660/186,591,345.78
  6. Step 6: Final answer
    x = 160,206,557.20

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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.