Finding the Fourth Proportional to 75,671,127.62, 113,506,692.93 and 18,163,398.79
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Solution
The fourth proportional to 75,671,127.62, 113,506,692.93 and 18,163,398.79 is: 27,245,098.55
Step by Step Solution
- Step 1: Write the proportion equation
75,671,127.62 : 113,506,692.93 = 18,163,398.79 : x - Step 2: Convert to fraction form
75,671,127.62/113,506,692.93 = 18,163,398.79/x - Step 3: Cross multiply
75,671,127.62x = 113,506,692.93 × 18,163,398.79 - Step 4: Simplify right side
75,671,127.62x = 2,061,667,329,021,663.50 - Step 5: Solve for x
x = 2,061,667,329,021,663.50/75,671,127.62 - Step 6: Final answer
x = 27,245,098.55
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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.