Finding the Fourth Proportional to 71,266,604.84, 98,348,184.42 and 38,671,556.84
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Solution
The fourth proportional to 71,266,604.84, 98,348,184.42 and 38,671,556.84 is: 53,366,894.81
Step by Step Solution
- Step 1: Write the proportion equation
71,266,604.84 : 98,348,184.42 = 38,671,556.84 : x - Step 2: Convert to fraction form
71,266,604.84/98,348,184.42 = 38,671,556.84/x - Step 3: Cross multiply
71,266,604.84x = 98,348,184.42 × 38,671,556.84 - Step 4: Simplify right side
71,266,604.84x = 3,803,277,403,908,833 - Step 5: Solve for x
x = 3,803,277,403,908,833/71,266,604.84 - Step 6: Final answer
x = 53,366,894.81
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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.