Finding the Fourth Proportional to 71,671,350.93, 98,903,614.98 and 42,312,140.79
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Solution
The fourth proportional to 71,671,350.93, 98,903,614.98 and 42,312,140.79 is: 58,389,072.17
Step by Step Solution
- Step 1: Write the proportion equation
71,671,350.93 : 98,903,614.98 = 42,312,140.79 : x - Step 2: Convert to fraction form
71,671,350.93/98,903,614.98 = 42,312,140.79/x - Step 3: Cross multiply
71,671,350.93x = 98,903,614.98 × 42,312,140.79 - Step 4: Simplify right side
71,671,350.93x = 4,184,823,681,673,713 - Step 5: Solve for x
x = 4,184,823,681,673,713/71,671,350.93 - Step 6: Final answer
x = 58,389,072.17
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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.