Finding the Fourth Proportional to 141,579,217,782.99, 195,379,398,918.40 and 76,473,644,742.45
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Solution
The fourth proportional to 141,579,217,782.99, 195,379,398,918.40 and 76,473,644,742.45 is: 105,533,672,080.19
Step by Step Solution
- Step 1: Write the proportion equation
141,579,217,782.99 : 195,379,398,918.40 = 76,473,644,742.45 : x - Step 2: Convert to fraction form
141,579,217,782.99/195,379,398,918.40 = 76,473,644,742.45/x - Step 3: Cross multiply
141,579,217,782.99x = 195,379,398,918.40 × 76,473,644,742.45 - Step 4: Simplify right side
141,579,217,782.99x = 14,941,374,742,879,140,839,424 - Step 5: Solve for x
x = 14,941,374,742,879,140,839,424/141,579,217,782.99 - Step 6: Final answer
x = 105,533,672,080.19
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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.