Finding the Fourth Proportional to 70,982,472.18, 97,956,106.71 and 38,387,424.18
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Solution
The fourth proportional to 70,982,472.18, 97,956,106.71 and 38,387,424.18 is: 52,974,804.96
Step by Step Solution
- Step 1: Write the proportion equation
70,982,472.18 : 97,956,106.71 = 38,387,424.18 : x - Step 2: Convert to fraction form
70,982,472.18/97,956,106.71 = 38,387,424.18/x - Step 3: Cross multiply
70,982,472.18x = 97,956,106.71 × 38,387,424.18 - Step 4: Simplify right side
70,982,472.18x = 3,760,282,619,298,114 - Step 5: Solve for x
x = 3,760,282,619,298,114/70,982,472.18 - Step 6: Final answer
x = 52,974,804.96
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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.