Home / 199,357,176,942.79-275,112,917,628.23-109,136,630,566.90

Finding the Fourth Proportional to 199,357,176,942.79, 275,112,917,628.23 and 109,136,630,566.90

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Solution

The fourth proportional to 199,357,176,942.79, 275,112,917,628.23 and 109,136,630,566.90 is: 150,608,557,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357,176,942.79 : 275,112,917,628.23 = 109,136,630,566.90 : x
  2. Step 2: Convert to fraction form
    199,357,176,942.79/275,112,917,628.23 = 109,136,630,566.90/x
  3. Step 3: Cross multiply
    199,357,176,942.79x = 275,112,917,628.23 × 109,136,630,566.90
  4. Step 4: Simplify right side
    199,357,176,942.79x = 30,024,896,855,374,125,072,384
  5. Step 5: Solve for x
    x = 30,024,896,855,374,125,072,384/199,357,176,942.79
  6. Step 6: Final answer
    x = 150,608,557,543.88

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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.