Home / 256,013,937.04-353,300,163.78-138,539,255.08

Finding the Fourth Proportional to 256,013,937.04, 353,300,163.78 and 138,539,255.08

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Solution

The fourth proportional to 256,013,937.04, 353,300,163.78 and 138,539,255.08 is: 191,184,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,013,937.04 : 353,300,163.78 = 138,539,255.08 : x
  2. Step 2: Convert to fraction form
    256,013,937.04/353,300,163.78 = 138,539,255.08/x
  3. Step 3: Cross multiply
    256,013,937.04x = 353,300,163.78 × 138,539,255.08
  4. Step 4: Simplify right side
    256,013,937.04x = 48,945,941,509,723,200
  5. Step 5: Solve for x
    x = 48,945,941,509,723,200/256,013,937.04
  6. Step 6: Final answer
    x = 191,184,675.63

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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.