Finding the Fourth Proportional to 207,203,166.81, 285,938,616.44 and 114,381,681.75
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Solution
The fourth proportional to 207,203,166.81, 285,938,616.44 and 114,381,681.75 is: 157,845,752.70
Step by Step Solution
- Step 1: Write the proportion equation
207,203,166.81 : 285,938,616.44 = 114,381,681.75 : x - Step 2: Convert to fraction form
207,203,166.81/285,938,616.44 = 114,381,681.75/x - Step 3: Cross multiply
207,203,166.81x = 285,938,616.44 × 114,381,681.75 - Step 4: Simplify right side
207,203,166.81x = 32,706,139,825,961,352 - Step 5: Solve for x
x = 32,706,139,825,961,352/207,203,166.81 - Step 6: Final answer
x = 157,845,752.70
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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.