Home / 291,034,174.50-436,555,985.67-83,775,333.78

Finding the Fourth Proportional to 291,034,174.50, 436,555,985.67 and 83,775,333.78

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Solution

The fourth proportional to 291,034,174.50, 436,555,985.67 and 83,775,333.78 is: 125,664,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034,174.50 : 436,555,985.67 = 83,775,333.78 : x
  2. Step 2: Convert to fraction form
    291,034,174.50/436,555,985.67 = 83,775,333.78/x
  3. Step 3: Cross multiply
    291,034,174.50x = 436,555,985.67 × 83,775,333.78
  4. Step 4: Simplify right side
    291,034,174.50x = 36,572,623,413,161,152
  5. Step 5: Solve for x
    x = 36,572,623,413,161,152/291,034,174.50
  6. Step 6: Final answer
    x = 125,664,360.47

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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.