Finding the Fourth Proportional to 71,266,564.13, 98,348,120.93 and 38,671,516.13
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Solution
The fourth proportional to 71,266,564.13, 98,348,120.93 and 38,671,516.13 is: 53,366,834.66
Step by Step Solution
- Step 1: Write the proportion equation
71,266,564.13 : 98,348,120.93 = 38,671,516.13 : x - Step 2: Convert to fraction form
71,266,564.13/98,348,120.93 = 38,671,516.13/x - Step 3: Cross multiply
71,266,564.13x = 98,348,120.93 × 38,671,516.13 - Step 4: Simplify right side
71,266,564.13x = 3,803,270,944,504,624 - Step 5: Solve for x
x = 3,803,270,944,504,624/71,266,564.13 - Step 6: Final answer
x = 53,366,834.66
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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.