Finding the Fourth Proportional to 77,031,624.27, 106,241,657.23 and 67,719,283.30
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Solution
The fourth proportional to 77,031,624.27, 106,241,657.23 and 67,719,283.30 is: 93,398,119.96
Step by Step Solution
- Step 1: Write the proportion equation
77,031,624.27 : 106,241,657.23 = 67,719,283.30 : x - Step 2: Convert to fraction form
77,031,624.27/106,241,657.23 = 67,719,283.30/x - Step 3: Cross multiply
77,031,624.27x = 106,241,657.23 × 67,719,283.30 - Step 4: Simplify right side
77,031,624.27x = 7,194,608,884,437,314 - Step 5: Solve for x
x = 7,194,608,884,437,314/77,031,624.27 - Step 6: Final answer
x = 93,398,119.96
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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.