Finding the Fourth Proportional to 97,147,387.42, 145,721,707.48 and 38,859,934.84
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Solution
The fourth proportional to 97,147,387.42, 145,721,707.48 and 38,859,934.84 is: 58,290,152.81
Step by Step Solution
- Step 1: Write the proportion equation
97,147,387.42 : 145,721,707.48 = 38,859,934.84 : x - Step 2: Convert to fraction form
97,147,387.42/145,721,707.48 = 38,859,934.84/x - Step 3: Cross multiply
97,147,387.42x = 145,721,707.48 × 38,859,934.84 - Step 4: Simplify right side
97,147,387.42x = 5,662,736,057,446,341 - Step 5: Solve for x
x = 5,662,736,057,446,341/97,147,387.42 - Step 6: Final answer
x = 58,290,152.81
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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.