Finding the Fourth Proportional to 98,995,101.70, 136,128,680.36 and 85,919,590.02
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Solution
The fourth proportional to 98,995,101.70, 136,128,680.36 and 85,919,590.02 is: 118,148,476.09
Step by Step Solution
- Step 1: Write the proportion equation
98,995,101.70 : 136,128,680.36 = 85,919,590.02 : x - Step 2: Convert to fraction form
98,995,101.70/136,128,680.36 = 85,919,590.02/x - Step 3: Cross multiply
98,995,101.70x = 136,128,680.36 × 85,919,590.02 - Step 4: Simplify right side
98,995,101.70x = 11,696,120,406,494,826 - Step 5: Solve for x
x = 11,696,120,406,494,826/98,995,101.70 - Step 6: Final answer
x = 118,148,476.09
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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.