Finding the Fourth Proportional to 71,269,875.84, 98,352,428.64 and 38,674,827.84
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Solution
The fourth proportional to 71,269,875.84, 98,352,428.64 and 38,674,827.84 is: 53,371,262.41
Step by Step Solution
- Step 1: Write the proportion equation
71,269,875.84 : 98,352,428.64 = 38,674,827.84 : x - Step 2: Convert to fraction form
71,269,875.84/98,352,428.64 = 38,674,827.84/x - Step 3: Cross multiply
71,269,875.84x = 98,352,428.64 × 38,674,827.84 - Step 4: Simplify right side
71,269,875.84x = 3,803,763,245,297,885.50 - Step 5: Solve for x
x = 3,803,763,245,297,885.50/71,269,875.84 - Step 6: Final answer
x = 53,371,262.41
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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.