Finding the Fourth Proportional to 97,370,465.84, 134,371,271.78 and 52,716,429.03
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Solution
The fourth proportional to 97,370,465.84, 134,371,271.78 and 52,716,429.03 is: 72,748,687.72
Step by Step Solution
- Step 1: Write the proportion equation
97,370,465.84 : 134,371,271.78 = 52,716,429.03 : x - Step 2: Convert to fraction form
97,370,465.84/134,371,271.78 = 52,716,429.03/x - Step 3: Cross multiply
97,370,465.84x = 134,371,271.78 × 52,716,429.03 - Step 4: Simplify right side
97,370,465.84x = 7,083,573,612,899,208 - Step 5: Solve for x
x = 7,083,573,612,899,208/97,370,465.84 - Step 6: Final answer
x = 72,748,687.72
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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.