Home / 258,749,031.86-388,131,426.93-101,175,754.40

Finding the Fourth Proportional to 258,749,031.86, 388,131,426.93 and 101,175,754.40

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Solution

The fourth proportional to 258,749,031.86, 388,131,426.93 and 101,175,754.40 is: 151,766,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,749,031.86 : 388,131,426.93 = 101,175,754.40 : x
  2. Step 2: Convert to fraction form
    258,749,031.86/388,131,426.93 = 101,175,754.40/x
  3. Step 3: Cross multiply
    258,749,031.86x = 388,131,426.93 × 101,175,754.40
  4. Step 4: Simplify right side
    258,749,031.86x = 39,269,489,925,991,232
  5. Step 5: Solve for x
    x = 39,269,489,925,991,232/258,749,031.86
  6. Step 6: Final answer
    x = 151,766,712.49

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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.