Finding the Fourth Proportional to 159,620,486.68, 220,257,553.62 and 90,001,718.92
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Solution
The fourth proportional to 159,620,486.68, 220,257,553.62 and 90,001,718.92 is: 124,191,818.00
Step by Step Solution
- Step 1: Write the proportion equation
159,620,486.68 : 220,257,553.62 = 90,001,718.92 : x - Step 2: Convert to fraction form
159,620,486.68/220,257,553.62 = 90,001,718.92/x - Step 3: Cross multiply
159,620,486.68x = 220,257,553.62 × 90,001,718.92 - Step 4: Simplify right side
159,620,486.68x = 19,823,558,430,914,068 - Step 5: Solve for x
x = 19,823,558,430,914,068/159,620,486.68 - Step 6: Final answer
x = 124,191,818.00
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1.5x scale
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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.