Finding the Fourth Proportional to 98,684,179.95, 136,178,773.08 and 54,021,512.00
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Solution
The fourth proportional to 98,684,179.95, 136,178,773.08 and 54,021,512.00 is: 74,546,733.11
Step by Step Solution
- Step 1: Write the proportion equation
98,684,179.95 : 136,178,773.08 = 54,021,512.00 : x - Step 2: Convert to fraction form
98,684,179.95/136,178,773.08 = 54,021,512.00/x - Step 3: Cross multiply
98,684,179.95x = 136,178,773.08 × 54,021,512.00 - Step 4: Simplify right side
98,684,179.95x = 7,356,583,224,699,868 - Step 5: Solve for x
x = 7,356,583,224,699,868/98,684,179.95 - Step 6: Final answer
x = 74,546,733.11
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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.