Finding the Fourth Proportional to 166,502,660.87, 249,667,935.28 and 73,091,400.23
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Solution
The fourth proportional to 166,502,660.87, 249,667,935.28 and 73,091,400.23 is: 109,599,323.43
Step by Step Solution
- Step 1: Write the proportion equation
166,502,660.87 : 249,667,935.28 = 73,091,400.23 : x - Step 2: Convert to fraction form
166,502,660.87/249,667,935.28 = 73,091,400.23/x - Step 3: Cross multiply
166,502,660.87x = 249,667,935.28 × 73,091,400.23 - Step 4: Simplify right side
166,502,660.87x = 18,248,578,980,717,148 - Step 5: Solve for x
x = 18,248,578,980,717,148/166,502,660.87 - Step 6: Final answer
x = 109,599,323.43
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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.