Finding the Fourth Proportional to 75,671,108.66, 113,506,664.45 and 18,163,379.82
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Solution
The fourth proportional to 75,671,108.66, 113,506,664.45 and 18,163,379.82 is: 27,245,070.09
Step by Step Solution
- Step 1: Write the proportion equation
75,671,108.66 : 113,506,664.45 = 18,163,379.82 : x - Step 2: Convert to fraction form
75,671,108.66/113,506,664.45 = 18,163,379.82/x - Step 3: Cross multiply
75,671,108.66x = 113,506,664.45 × 18,163,379.82 - Step 4: Simplify right side
75,671,108.66x = 2,061,664,658,894,209 - Step 5: Solve for x
x = 2,061,664,658,894,209/75,671,108.66 - Step 6: Final answer
x = 27,245,070.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.