Home / 291,499,653.96-402,269,541.30-159,341,173.38

Finding the Fourth Proportional to 291,499,653.96, 402,269,541.30 and 159,341,173.38

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Solution

The fourth proportional to 291,499,653.96, 402,269,541.30 and 159,341,173.38 is: 219,890,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,499,653.96 : 402,269,541.30 = 159,341,173.38 : x
  2. Step 2: Convert to fraction form
    291,499,653.96/402,269,541.30 = 159,341,173.38/x
  3. Step 3: Cross multiply
    291,499,653.96x = 402,269,541.30 × 159,341,173.38
  4. Step 4: Simplify right side
    291,499,653.96x = 64,098,100,725,776,368
  5. Step 5: Solve for x
    x = 64,098,100,725,776,368/291,499,653.96
  6. Step 6: Final answer
    x = 219,890,829.56

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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.