Finding the Fourth Proportional to 216,767,521.60, 299,139,468.60 and 117,648,269.02
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Solution
The fourth proportional to 216,767,521.60, 299,139,468.60 and 117,648,269.02 is: 162,354,767.99
Step by Step Solution
- Step 1: Write the proportion equation
216,767,521.60 : 299,139,468.60 = 117,648,269.02 : x - Step 2: Convert to fraction form
216,767,521.60/299,139,468.60 = 117,648,269.02/x - Step 3: Cross multiply
216,767,521.60x = 299,139,468.60 × 117,648,269.02 - Step 4: Simplify right side
216,767,521.60x = 35,193,240,675,723,004 - Step 5: Solve for x
x = 35,193,240,675,723,004/216,767,521.60 - Step 6: Final answer
x = 162,354,767.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.