Home / 407,116,427.91-610,573,751.09-115,986,072.89

Finding the Fourth Proportional to 407,116,427.91, 610,573,751.09 and 115,986,072.89

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Solution

The fourth proportional to 407,116,427.91, 610,573,751.09 and 115,986,072.89 is: 173,950,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,116,427.91 : 610,573,751.09 = 115,986,072.89 : x
  2. Step 2: Convert to fraction form
    407,116,427.91/610,573,751.09 = 115,986,072.89/x
  3. Step 3: Cross multiply
    407,116,427.91x = 610,573,751.09 × 115,986,072.89
  4. Step 4: Simplify right side
    407,116,427.91x = 70,818,051,595,012,664
  5. Step 5: Solve for x
    x = 70,818,051,595,012,664/407,116,427.91
  6. Step 6: Final answer
    x = 173,950,365.89

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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.