Finding the Fourth Proportional to 88,523,646.40, 122,163,165.84 and 49,367,897.92
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Solution
The fourth proportional to 88,523,646.40, 122,163,165.84 and 49,367,897.92 is: 68,127,996.82
Step by Step Solution
- Step 1: Write the proportion equation
88,523,646.40 : 122,163,165.84 = 49,367,897.92 : x - Step 2: Convert to fraction form
88,523,646.40/122,163,165.84 = 49,367,897.92/x - Step 3: Cross multiply
88,523,646.40x = 122,163,165.84 × 49,367,897.92 - Step 4: Simplify right side
88,523,646.40x = 6,030,938,700,773,151 - Step 5: Solve for x
x = 6,030,938,700,773,151/88,523,646.40 - Step 6: Final answer
x = 68,127,996.82
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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.