Finding the Fourth Proportional to 67,729,539.84, 93,468,503.76 and 36,791,479.68
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Solution
The fourth proportional to 67,729,539.84, 93,468,503.76 and 36,791,479.68 is: 50,773,186.48
Step by Step Solution
- Step 1: Write the proportion equation
67,729,539.84 : 93,468,503.76 = 36,791,479.68 : x - Step 2: Convert to fraction form
67,729,539.84/93,468,503.76 = 36,791,479.68/x - Step 3: Cross multiply
67,729,539.84x = 93,468,503.76 × 36,791,479.68 - Step 4: Simplify right side
67,729,539.84x = 3,438,844,556,806,044 - Step 5: Solve for x
x = 3,438,844,556,806,044/67,729,539.84 - Step 6: Final answer
x = 50,773,186.48
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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.