Finding the Fourth Proportional to 274,302,926.98, 378,538,041.74 and 148,855,122.71
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Solution
The fourth proportional to 274,302,926.98, 378,538,041.74 and 148,855,122.71 is: 205,420,070.70
Step by Step Solution
- Step 1: Write the proportion equation
274,302,926.98 : 378,538,041.74 = 148,855,122.71 : x - Step 2: Convert to fraction form
274,302,926.98/378,538,041.74 = 148,855,122.71/x - Step 3: Cross multiply
274,302,926.98x = 378,538,041.74 × 148,855,122.71 - Step 4: Simplify right side
274,302,926.98x = 56,347,326,653,776,048 - Step 5: Solve for x
x = 56,347,326,653,776,048/274,302,926.98 - Step 6: Final answer
x = 205,420,070.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.