Finding the Fourth Proportional to 141,693,097.12, 212,357,161.68 and 68,768,752.48
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Solution
The fourth proportional to 141,693,097.12, 212,357,161.68 and 68,768,752.48 is: 103,064,562.68
Step by Step Solution
- Step 1: Write the proportion equation
141,693,097.12 : 212,357,161.68 = 68,768,752.48 : x - Step 2: Convert to fraction form
141,693,097.12/212,357,161.68 = 68,768,752.48/x - Step 3: Cross multiply
141,693,097.12x = 212,357,161.68 × 68,768,752.48 - Step 4: Simplify right side
141,693,097.12x = 14,603,537,088,927,262 - Step 5: Solve for x
x = 14,603,537,088,927,262/141,693,097.12 - Step 6: Final answer
x = 103,064,562.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.