Home / 131,856,558.40-197,868,818.40-77,269,038.40

Finding the Fourth Proportional to 131,856,558.40, 197,868,818.40 and 77,269,038.40

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Solution

The fourth proportional to 131,856,558.40, 197,868,818.40 and 77,269,038.40 is: 115,952,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856,558.40 : 197,868,818.40 = 77,269,038.40 : x
  2. Step 2: Convert to fraction form
    131,856,558.40/197,868,818.40 = 77,269,038.40/x
  3. Step 3: Cross multiply
    131,856,558.40x = 197,868,818.40 × 77,269,038.40
  4. Step 4: Simplify right side
    131,856,558.40x = 15,289,133,327,112,228
  5. Step 5: Solve for x
    x = 15,289,133,327,112,228/131,856,558.40
  6. Step 6: Final answer
    x = 115,952,771.05

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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.