Home / 197,903,886.55-296,938,164.20-87,182,890.41

Finding the Fourth Proportional to 197,903,886.55, 296,938,164.20 and 87,182,890.41

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Solution

The fourth proportional to 197,903,886.55, 296,938,164.20 and 87,182,890.41 is: 130,810,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,903,886.55 : 296,938,164.20 = 87,182,890.41 : x
  2. Step 2: Convert to fraction form
    197,903,886.55/296,938,164.20 = 87,182,890.41/x
  3. Step 3: Cross multiply
    197,903,886.55x = 296,938,164.20 × 87,182,890.41
  4. Step 4: Simplify right side
    197,903,886.55x = 25,887,927,427,995,184
  5. Step 5: Solve for x
    x = 25,887,927,427,995,184/197,903,886.55
  6. Step 6: Final answer
    x = 130,810,606.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.