Home / 318,009,055.69-438,846,203.66-176,877,240.22

Finding the Fourth Proportional to 318,009,055.69, 438,846,203.66 and 176,877,240.22

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Solution

The fourth proportional to 318,009,055.69, 438,846,203.66 and 176,877,240.22 is: 244,087,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,009,055.69 : 438,846,203.66 = 176,877,240.22 : x
  2. Step 2: Convert to fraction form
    318,009,055.69/438,846,203.66 = 176,877,240.22/x
  3. Step 3: Cross multiply
    318,009,055.69x = 438,846,203.66 × 176,877,240.22
  4. Step 4: Simplify right side
    318,009,055.69x = 77,621,905,384,330,192
  5. Step 5: Solve for x
    x = 77,621,905,384,330,192/318,009,055.69
  6. Step 6: Final answer
    x = 244,087,091.22

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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.