Finding the Fourth Proportional to 156,357,242.90, 215,683,348.42 and 97,517,755.68
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Solution
The fourth proportional to 156,357,242.90, 215,683,348.42 and 97,517,755.68 is: 134,518,591.43
Step by Step Solution
- Step 1: Write the proportion equation
156,357,242.90 : 215,683,348.42 = 97,517,755.68 : x - Step 2: Convert to fraction form
156,357,242.90/215,683,348.42 = 97,517,755.68/x - Step 3: Cross multiply
156,357,242.90x = 215,683,348.42 × 97,517,755.68 - Step 4: Simplify right side
156,357,242.90x = 21,032,956,075,465,876 - Step 5: Solve for x
x = 21,032,956,075,465,876/156,357,242.90 - Step 6: Final answer
x = 134,518,591.43
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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.