Finding the Fourth Proportional to 75,671,136.84, 113,506,706.76 and 18,163,408.02
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Solution
The fourth proportional to 75,671,136.84, 113,506,706.76 and 18,163,408.02 is: 27,245,112.39
Step by Step Solution
- Step 1: Write the proportion equation
75,671,136.84 : 113,506,706.76 = 18,163,408.02 : x - Step 2: Convert to fraction form
75,671,136.84/113,506,706.76 = 18,163,408.02/x - Step 3: Cross multiply
75,671,136.84x = 113,506,706.76 × 18,163,408.02 - Step 4: Simplify right side
75,671,136.84x = 2,061,668,627,888,372.25 - Step 5: Solve for x
x = 2,061,668,627,888,372.25/75,671,136.84 - Step 6: Final answer
x = 27,245,112.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.