Finding the Fourth Proportional to 98,127,460.60, 135,416,791.20 and 54,076,039.99
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Solution
The fourth proportional to 98,127,460.60, 135,416,791.20 and 54,076,039.99 is: 74,625,428.72
Step by Step Solution
- Step 1: Write the proportion equation
98,127,460.60 : 135,416,791.20 = 54,076,039.99 : x - Step 2: Convert to fraction form
98,127,460.60/135,416,791.20 = 54,076,039.99/x - Step 3: Cross multiply
98,127,460.60x = 135,416,791.20 × 54,076,039.99 - Step 4: Simplify right side
98,127,460.60x = 7,322,803,816,248,680 - Step 5: Solve for x
x = 7,322,803,816,248,680/98,127,460.60 - Step 6: Final answer
x = 74,625,428.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.