Finding the Fourth Proportional to 98,217,773.84, 135,566,668.20 and 58,018,986.32
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Solution
The fourth proportional to 98,217,773.84, 135,566,668.20 and 58,018,986.32 is: 80,081,642.66
Step by Step Solution
- Step 1: Write the proportion equation
98,217,773.84 : 135,566,668.20 = 58,018,986.32 : x - Step 2: Convert to fraction form
98,217,773.84/135,566,668.20 = 58,018,986.32/x - Step 3: Cross multiply
98,217,773.84x = 135,566,668.20 × 58,018,986.32 - Step 4: Simplify right side
98,217,773.84x = 7,865,440,667,743,778 - Step 5: Solve for x
x = 7,865,440,667,743,778/98,217,773.84 - Step 6: Final answer
x = 80,081,642.66
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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.