Home / 191,836,515.98-287,631,054.90-75,263,653.34

Finding the Fourth Proportional to 191,836,515.98, 287,631,054.90 and 75,263,653.34

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Solution

The fourth proportional to 191,836,515.98, 287,631,054.90 and 75,263,653.34 is: 112,846,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,836,515.98 : 287,631,054.90 = 75,263,653.34 : x
  2. Step 2: Convert to fraction form
    191,836,515.98/287,631,054.90 = 75,263,653.34/x
  3. Step 3: Cross multiply
    191,836,515.98x = 287,631,054.90 × 75,263,653.34
  4. Step 4: Simplify right side
    191,836,515.98x = 21,648,164,004,373,948
  5. Step 5: Solve for x
    x = 21,648,164,004,373,948/191,836,515.98
  6. Step 6: Final answer
    x = 112,846,941.02

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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.