Finding the Fourth Proportional to 97,982,781.42, 135,216,230.22 and 53,329,073.22
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Solution
The fourth proportional to 97,982,781.42, 135,216,230.22 and 53,329,073.22 is: 73,594,116.61
Step by Step Solution
- Step 1: Write the proportion equation
97,982,781.42 : 135,216,230.22 = 53,329,073.22 : x - Step 2: Convert to fraction form
97,982,781.42/135,216,230.22 = 53,329,073.22/x - Step 3: Cross multiply
97,982,781.42x = 135,216,230.22 × 53,329,073.22 - Step 4: Simplify right side
97,982,781.42x = 7,210,956,241,934,756 - Step 5: Solve for x
x = 7,210,956,241,934,756/97,982,781.42 - Step 6: Final answer
x = 73,594,116.61
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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.