Finding the Fourth Proportional to 176,716,971.12, 243,867,095.64 and 97,330,508.40
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Solution
The fourth proportional to 176,716,971.12, 243,867,095.64 and 97,330,508.40 is: 134,314,821.32
Step by Step Solution
- Step 1: Write the proportion equation
176,716,971.12 : 243,867,095.64 = 97,330,508.40 : x - Step 2: Convert to fraction form
176,716,971.12/243,867,095.64 = 97,330,508.40/x - Step 3: Cross multiply
176,716,971.12x = 243,867,095.64 × 97,330,508.40 - Step 4: Simplify right side
176,716,971.12x = 23,735,708,400,672,624 - Step 5: Solve for x
x = 23,735,708,400,672,624/176,716,971.12 - Step 6: Final answer
x = 134,314,821.32
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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.