Home / 248,798,730.69-343,349,545.34-135,775,520.21

Finding the Fourth Proportional to 248,798,730.69, 343,349,545.34 and 135,775,520.21

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Solution

The fourth proportional to 248,798,730.69, 343,349,545.34 and 135,775,520.21 is: 187,374,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,798,730.69 : 343,349,545.34 = 135,775,520.21 : x
  2. Step 2: Convert to fraction form
    248,798,730.69/343,349,545.34 = 135,775,520.21/x
  3. Step 3: Cross multiply
    248,798,730.69x = 343,349,545.34 × 135,775,520.21
  4. Step 4: Simplify right side
    248,798,730.69x = 46,618,463,133,603,296
  5. Step 5: Solve for x
    x = 46,618,463,133,603,296/248,798,730.69
  6. Step 6: Final answer
    x = 187,374,200.04

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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.