Finding the Fourth Proportional to 254,551,736.21, 381,671,339.93 and 98,923,830.08
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Solution
The fourth proportional to 254,551,736.21, 381,671,339.93 and 98,923,830.08 is: 148,325,017.70
Step by Step Solution
- Step 1: Write the proportion equation
254,551,736.21 : 381,671,339.93 = 98,923,830.08 : x - Step 2: Convert to fraction form
254,551,736.21/381,671,339.93 = 98,923,830.08/x - Step 3: Cross multiply
254,551,736.21x = 381,671,339.93 × 98,923,830.08 - Step 4: Simplify right side
254,551,736.21x = 37,756,390,778,471,760 - Step 5: Solve for x
x = 37,756,390,778,471,760/254,551,736.21 - Step 6: Final answer
x = 148,325,017.70
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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.