Finding the Fourth Proportional to 134,678,766.15, 201,921,192.81 and 82,756,089.23
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Solution
The fourth proportional to 134,678,766.15, 201,921,192.81 and 82,756,089.23 is: 124,074,557.01
Step by Step Solution
- Step 1: Write the proportion equation
134,678,766.15 : 201,921,192.81 = 82,756,089.23 : x - Step 2: Convert to fraction form
134,678,766.15/201,921,192.81 = 82,756,089.23/x - Step 3: Cross multiply
134,678,766.15x = 201,921,192.81 × 82,756,089.23 - Step 4: Simplify right side
134,678,766.15x = 16,710,208,248,602,788 - Step 5: Solve for x
x = 16,710,208,248,602,788/134,678,766.15 - Step 6: Final answer
x = 124,074,557.01
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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.