Finding the Fourth Proportional to 166,478,290.39, 249,741,362.73 and 51,471,800.79
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Solution
The fourth proportional to 166,478,290.39, 249,741,362.73 and 51,471,800.79 is: 77,215,098.99
Step by Step Solution
- Step 1: Write the proportion equation
166,478,290.39 : 249,741,362.73 = 51,471,800.79 : x - Step 2: Convert to fraction form
166,478,290.39/249,741,362.73 = 51,471,800.79/x - Step 3: Cross multiply
166,478,290.39x = 249,741,362.73 × 51,471,800.79 - Step 4: Simplify right side
166,478,290.39x = 12,854,637,671,461,690 - Step 5: Solve for x
x = 12,854,637,671,461,690/166,478,290.39 - Step 6: Final answer
x = 77,215,098.99
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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.