Finding the Fourth Proportional to 143,827,136.19, 215,894,231.55 and 61,986,403.17
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Solution
The fourth proportional to 143,827,136.19, 215,894,231.55 and 61,986,403.17 is: 93,045,771.71
Step by Step Solution
- Step 1: Write the proportion equation
143,827,136.19 : 215,894,231.55 = 61,986,403.17 : x - Step 2: Convert to fraction form
143,827,136.19/215,894,231.55 = 61,986,403.17/x - Step 3: Cross multiply
143,827,136.19x = 215,894,231.55 × 61,986,403.17 - Step 4: Simplify right side
143,827,136.19x = 13,382,506,878,935,636 - Step 5: Solve for x
x = 13,382,506,878,935,636/143,827,136.19 - Step 6: Final answer
x = 93,045,771.71
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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.