Home / 307,250,823.72-424,038,995.58-188,252,388.32

Finding the Fourth Proportional to 307,250,823.72, 424,038,995.58 and 188,252,388.32

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Solution

The fourth proportional to 307,250,823.72, 424,038,995.58 and 188,252,388.32 is: 259,808,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250,823.72 : 424,038,995.58 = 188,252,388.32 : x
  2. Step 2: Convert to fraction form
    307,250,823.72/424,038,995.58 = 188,252,388.32/x
  3. Step 3: Cross multiply
    307,250,823.72x = 424,038,995.58 × 188,252,388.32
  4. Step 4: Simplify right side
    307,250,823.72x = 79,826,353,658,748,912
  5. Step 5: Solve for x
    x = 79,826,353,658,748,912/307,250,823.72
  6. Step 6: Final answer
    x = 259,808,428.48

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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.