Finding the Fourth Proportional to 67,884,634.17, 93,690,666.68 and 38,118,623.76
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Solution
The fourth proportional to 67,884,634.17, 93,690,666.68 and 38,118,623.76 is: 52,609,243.85
Step by Step Solution
- Step 1: Write the proportion equation
67,884,634.17 : 93,690,666.68 = 38,118,623.76 : x - Step 2: Convert to fraction form
67,884,634.17/93,690,666.68 = 38,118,623.76/x - Step 3: Cross multiply
67,884,634.17x = 93,690,666.68 × 38,118,623.76 - Step 4: Simplify right side
67,884,634.17x = 3,571,359,272,807,895 - Step 5: Solve for x
x = 3,571,359,272,807,895/67,884,634.17 - Step 6: Final answer
x = 52,609,243.85
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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.