Home / 186,693,493.32-257,630,268.42-103,059,828.90

Finding the Fourth Proportional to 186,693,493.32, 257,630,268.42 and 103,059,828.90

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Solution

The fourth proportional to 186,693,493.32, 257,630,268.42 and 103,059,828.90 is: 142,218,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,693,493.32 : 257,630,268.42 = 103,059,828.90 : x
  2. Step 2: Convert to fraction form
    186,693,493.32/257,630,268.42 = 103,059,828.90/x
  3. Step 3: Cross multiply
    186,693,493.32x = 257,630,268.42 × 103,059,828.90
  4. Step 4: Simplify right side
    186,693,493.32x = 26,551,331,382,826,272
  5. Step 5: Solve for x
    x = 26,551,331,382,826,272/186,693,493.32
  6. Step 6: Final answer
    x = 142,218,836.40

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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.