Finding the Fourth Proportional to 98,609,211.36, 136,068,749.51 and 56,806,809.62
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Solution
The fourth proportional to 98,609,211.36, 136,068,749.51 and 56,806,809.62 is: 78,386,506.10
Step by Step Solution
- Step 1: Write the proportion equation
98,609,211.36 : 136,068,749.51 = 56,806,809.62 : x - Step 2: Convert to fraction form
98,609,211.36/136,068,749.51 = 56,806,809.62/x - Step 3: Cross multiply
98,609,211.36x = 136,068,749.51 × 56,806,809.62 - Step 4: Simplify right side
98,609,211.36x = 7,729,631,547,681,661 - Step 5: Solve for x
x = 7,729,631,547,681,661/98,609,211.36 - Step 6: Final answer
x = 78,386,506.10
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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.