Finding the Fourth Proportional to 97,493,210.64, 134,462,181.78 and 85,707,278.94
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Solution
The fourth proportional to 97,493,210.64, 134,462,181.78 and 85,707,278.94 is: 118,207,079.70
Step by Step Solution
- Step 1: Write the proportion equation
97,493,210.64 : 134,462,181.78 = 85,707,278.94 : x - Step 2: Convert to fraction form
97,493,210.64/134,462,181.78 = 85,707,278.94/x - Step 3: Cross multiply
97,493,210.64x = 134,462,181.78 × 85,707,278.94 - Step 4: Simplify right side
97,493,210.64x = 11,524,387,720,699,446 - Step 5: Solve for x
x = 11,524,387,720,699,446/97,493,210.64 - Step 6: Final answer
x = 118,207,079.70
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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.