Home / 99,720,765.96-136,616,812.16-95,991,672.47

Finding the Fourth Proportional to 99,720,765.96, 136,616,812.16 and 95,991,672.47

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Solution

The fourth proportional to 99,720,765.96, 136,616,812.16 and 95,991,672.47 is: 131,507,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,720,765.96 : 136,616,812.16 = 95,991,672.47 : x
  2. Step 2: Convert to fraction form
    99,720,765.96/136,616,812.16 = 95,991,672.47/x
  3. Step 3: Cross multiply
    99,720,765.96x = 136,616,812.16 × 95,991,672.47
  4. Step 4: Simplify right side
    99,720,765.96x = 13,114,076,285,595,192
  5. Step 5: Solve for x
    x = 13,114,076,285,595,192/99,720,765.96
  6. Step 6: Final answer
    x = 131,507,977.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.