Finding the Fourth Proportional to 307,636,927.61, 424,538,927.48 and 166,508,122.99
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Solution
The fourth proportional to 307,636,927.61, 424,538,927.48 and 166,508,122.99 is: 229,781,192.07
Step by Step Solution
- Step 1: Write the proportion equation
307,636,927.61 : 424,538,927.48 = 166,508,122.99 : x - Step 2: Convert to fraction form
307,636,927.61/424,538,927.48 = 166,508,122.99/x - Step 3: Cross multiply
307,636,927.61x = 424,538,927.48 × 166,508,122.99 - Step 4: Simplify right side
307,636,927.61x = 70,689,179,950,095,560 - Step 5: Solve for x
x = 70,689,179,950,095,560/307,636,927.61 - Step 6: Final answer
x = 229,781,192.07
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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.