Finding the Fourth Proportional to 102,916,293.53, 142,026,950.54 and 55,875,345.99
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Solution
The fourth proportional to 102,916,293.53, 142,026,950.54 and 55,875,345.99 is: 77,109,316.02
Step by Step Solution
- Step 1: Write the proportion equation
102,916,293.53 : 142,026,950.54 = 55,875,345.99 : x - Step 2: Convert to fraction form
102,916,293.53/142,026,950.54 = 55,875,345.99/x - Step 3: Cross multiply
102,916,293.53x = 142,026,950.54 × 55,875,345.99 - Step 4: Simplify right side
102,916,293.53x = 7,935,805,000,934,204 - Step 5: Solve for x
x = 7,935,805,000,934,204/102,916,293.53 - Step 6: Final answer
x = 77,109,316.02
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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.