Home / 84,072,999.60-116,000,950.32-51,032,435.40

Finding the Fourth Proportional to 84,072,999.60, 116,000,950.32 and 51,032,435.40

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Solution

The fourth proportional to 84,072,999.60, 116,000,950.32 and 51,032,435.40 is: 70,412,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072,999.60 : 116,000,950.32 = 51,032,435.40 : x
  2. Step 2: Convert to fraction form
    84,072,999.60/116,000,950.32 = 51,032,435.40/x
  3. Step 3: Cross multiply
    84,072,999.60x = 116,000,950.32 × 51,032,435.40
  4. Step 4: Simplify right side
    84,072,999.60x = 5,919,811,003,544,009
  5. Step 5: Solve for x
    x = 5,919,811,003,544,009/84,072,999.60
  6. Step 6: Final answer
    x = 70,412,748.82

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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.