Home / 199,357,176,939.79-275,112,917,624.09-109,136,630,563.90

Finding the Fourth Proportional to 199,357,176,939.79, 275,112,917,624.09 and 109,136,630,563.90

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Solution

The fourth proportional to 199,357,176,939.79, 275,112,917,624.09 and 109,136,630,563.90 is: 150,608,557,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357,176,939.79 : 275,112,917,624.09 = 109,136,630,563.90 : x
  2. Step 2: Convert to fraction form
    199,357,176,939.79/275,112,917,624.09 = 109,136,630,563.90/x
  3. Step 3: Cross multiply
    199,357,176,939.79x = 275,112,917,624.09 × 109,136,630,563.90
  4. Step 4: Simplify right side
    199,357,176,939.79x = 30,024,896,854,096,963,698,688
  5. Step 5: Solve for x
    x = 30,024,896,854,096,963,698,688/199,357,176,939.79
  6. Step 6: Final answer
    x = 150,608,557,539.74

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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.