Finding the Fourth Proportional to 142,187,058.42, 213,269,950.70 and 51,310,644.18
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Solution
The fourth proportional to 142,187,058.42, 213,269,950.70 and 51,310,644.18 is: 76,962,127.75
Step by Step Solution
- Step 1: Write the proportion equation
142,187,058.42 : 213,269,950.70 = 51,310,644.18 : x - Step 2: Convert to fraction form
142,187,058.42/213,269,950.70 = 51,310,644.18/x - Step 3: Cross multiply
142,187,058.42x = 213,269,950.70 × 51,310,644.18 - Step 4: Simplify right side
142,187,058.42x = 10,943,018,554,653,842 - Step 5: Solve for x
x = 10,943,018,554,653,842/142,187,058.42 - Step 6: Final answer
x = 76,962,127.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.