Finding the Fourth Proportional to 64,668,830.90, 97,003,246.35 and 60,842,455.70
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Solution
The fourth proportional to 64,668,830.90, 97,003,246.35 and 60,842,455.70 is: 91,263,683.55
Step by Step Solution
- Step 1: Write the proportion equation
64,668,830.90 : 97,003,246.35 = 60,842,455.70 : x - Step 2: Convert to fraction form
64,668,830.90/97,003,246.35 = 60,842,455.70/x - Step 3: Cross multiply
64,668,830.90x = 97,003,246.35 × 60,842,455.70 - Step 4: Simplify right side
64,668,830.90x = 5,901,915,718,806,062 - Step 5: Solve for x
x = 5,901,915,718,806,062/64,668,830.90 - Step 6: Final answer
x = 91,263,683.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.