Finding the Fourth Proportional to 165,237,648.60, 247,917,490.20 and 68,201,770.80
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Solution
The fourth proportional to 165,237,648.60, 247,917,490.20 and 68,201,770.80 is: 102,327,841.07
Step by Step Solution
- Step 1: Write the proportion equation
165,237,648.60 : 247,917,490.20 = 68,201,770.80 : x - Step 2: Convert to fraction form
165,237,648.60/247,917,490.20 = 68,201,770.80/x - Step 3: Cross multiply
165,237,648.60x = 247,917,490.20 × 68,201,770.80 - Step 4: Simplify right side
165,237,648.60x = 16,908,411,843,931,644 - Step 5: Solve for x
x = 16,908,411,843,931,644/165,237,648.60 - Step 6: Final answer
x = 102,327,841.07
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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.