Finding the Fourth Proportional to 148,988,702.74, 205,602,778.12 and 82,006,228.68
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Solution
The fourth proportional to 148,988,702.74, 205,602,778.12 and 82,006,228.68 is: 113,167,697.48
Step by Step Solution
- Step 1: Write the proportion equation
148,988,702.74 : 205,602,778.12 = 82,006,228.68 : x - Step 2: Convert to fraction form
148,988,702.74/205,602,778.12 = 82,006,228.68/x - Step 3: Cross multiply
148,988,702.74x = 205,602,778.12 × 82,006,228.68 - Step 4: Simplify right side
148,988,702.74x = 16,860,708,439,102,378 - Step 5: Solve for x
x = 16,860,708,439,102,378/148,988,702.74 - Step 6: Final answer
x = 113,167,697.48
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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.