Finding the Fourth Proportional to 178,498,239.57, 266,545,349.43 and 145,773,726.33
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Solution
The fourth proportional to 178,498,239.57, 266,545,349.43 and 145,773,726.33 is: 217,678,946.95
Step by Step Solution
- Step 1: Write the proportion equation
178,498,239.57 : 266,545,349.43 = 145,773,726.33 : x - Step 2: Convert to fraction form
178,498,239.57/266,545,349.43 = 145,773,726.33/x - Step 3: Cross multiply
178,498,239.57x = 266,545,349.43 × 145,773,726.33 - Step 4: Simplify right side
178,498,239.57x = 38,855,308,822,797,392 - Step 5: Solve for x
x = 38,855,308,822,797,392/178,498,239.57 - Step 6: Final answer
x = 217,678,946.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.