Home / 268,087,777.70-402,131,666.55-166,051,105.70

Finding the Fourth Proportional to 268,087,777.70, 402,131,666.55 and 166,051,105.70

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Solution

The fourth proportional to 268,087,777.70, 402,131,666.55 and 166,051,105.70 is: 249,076,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,087,777.70 : 402,131,666.55 = 166,051,105.70 : x
  2. Step 2: Convert to fraction form
    268,087,777.70/402,131,666.55 = 166,051,105.70/x
  3. Step 3: Cross multiply
    268,087,777.70x = 402,131,666.55 × 166,051,105.70
  4. Step 4: Simplify right side
    268,087,777.70x = 66,774,407,867,611,200
  5. Step 5: Solve for x
    x = 66,774,407,867,611,200/268,087,777.70
  6. Step 6: Final answer
    x = 249,076,658.55

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1.5x scale

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.