Finding the Fourth Proportional to 102,916,294.53, 142,026,951.92 and 55,875,346.99
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Solution
The fourth proportional to 102,916,294.53, 142,026,951.92 and 55,875,346.99 is: 77,109,317.40
Step by Step Solution
- Step 1: Write the proportion equation
102,916,294.53 : 142,026,951.92 = 55,875,346.99 : x - Step 2: Convert to fraction form
102,916,294.53/142,026,951.92 = 55,875,346.99/x - Step 3: Cross multiply
102,916,294.53x = 142,026,951.92 × 55,875,346.99 - Step 4: Simplify right side
102,916,294.53x = 7,935,805,220,462,046 - Step 5: Solve for x
x = 7,935,805,220,462,046/102,916,294.53 - Step 6: Final answer
x = 77,109,317.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.