Finding the Fourth Proportional to 98,995,103.66, 136,128,683.10 and 85,919,592.02
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Solution
The fourth proportional to 98,995,103.66, 136,128,683.10 and 85,919,592.02 is: 118,148,478.88
Step by Step Solution
- Step 1: Write the proportion equation
98,995,103.66 : 136,128,683.10 = 85,919,592.02 : x - Step 2: Convert to fraction form
98,995,103.66/136,128,683.10 = 85,919,592.02/x - Step 3: Cross multiply
98,995,103.66x = 136,128,683.10 × 85,919,592.02 - Step 4: Simplify right side
98,995,103.66x = 11,696,120,914,171,868 - Step 5: Solve for x
x = 11,696,120,914,171,868/98,995,103.66 - Step 6: Final answer
x = 118,148,478.88
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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.