Finding the Fourth Proportional to 157,880,643.17, 236,818,278.79 and 47,216,566.13
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Solution
The fourth proportional to 157,880,643.17, 236,818,278.79 and 47,216,566.13 is: 70,824,045.91
Step by Step Solution
- Step 1: Write the proportion equation
157,880,643.17 : 236,818,278.79 = 47,216,566.13 : x - Step 2: Convert to fraction form
157,880,643.17/236,818,278.79 = 47,216,566.13/x - Step 3: Cross multiply
157,880,643.17x = 236,818,278.79 × 47,216,566.13 - Step 4: Simplify right side
157,880,643.17x = 11,181,745,919,978,678 - Step 5: Solve for x
x = 11,181,745,919,978,678/157,880,643.17 - Step 6: Final answer
x = 70,824,045.91
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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.