Home / 116,905,887.72-161,330,437.80-64,698,523.56

Finding the Fourth Proportional to 116,905,887.72, 161,330,437.80 and 64,698,523.56

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Solution

The fourth proportional to 116,905,887.72, 161,330,437.80 and 64,698,523.56 is: 89,284,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,887.72 : 161,330,437.80 = 64,698,523.56 : x
  2. Step 2: Convert to fraction form
    116,905,887.72/161,330,437.80 = 64,698,523.56/x
  3. Step 3: Cross multiply
    116,905,887.72x = 161,330,437.80 × 64,698,523.56
  4. Step 4: Simplify right side
    116,905,887.72x = 10,437,841,130,948,416
  5. Step 5: Solve for x
    x = 10,437,841,130,948,416/116,905,887.72
  6. Step 6: Final answer
    x = 89,284,135.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.