Finding the Fourth Proportional to 70,982,476.68, 97,956,112.92 and 38,387,428.68
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Solution
The fourth proportional to 70,982,476.68, 97,956,112.92 and 38,387,428.68 is: 52,974,811.17
Step by Step Solution
- Step 1: Write the proportion equation
70,982,476.68 : 97,956,112.92 = 38,387,428.68 : x - Step 2: Convert to fraction form
70,982,476.68/97,956,112.92 = 38,387,428.68/x - Step 3: Cross multiply
70,982,476.68x = 97,956,112.92 × 38,387,428.68 - Step 4: Simplify right side
70,982,476.68x = 3,760,283,298,486,526.50 - Step 5: Solve for x
x = 3,760,283,298,486,526.50/70,982,476.68 - Step 6: Final answer
x = 52,974,811.17
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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.