Finding the Fourth Proportional to 164,695,371.12, 247,032,948.99 and 67,648,561.09
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Solution
The fourth proportional to 164,695,371.12, 247,032,948.99 and 67,648,561.09 is: 101,468,689.90
Step by Step Solution
- Step 1: Write the proportion equation
164,695,371.12 : 247,032,948.99 = 67,648,561.09 : x - Step 2: Convert to fraction form
164,695,371.12/247,032,948.99 = 67,648,561.09/x - Step 3: Cross multiply
164,695,371.12x = 247,032,948.99 × 67,648,561.09 - Step 4: Simplify right side
164,695,371.12x = 16,711,423,540,628,970 - Step 5: Solve for x
x = 16,711,423,540,628,970/164,695,371.12 - Step 6: Final answer
x = 101,468,689.90
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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.