Finding the Fourth Proportional to 245,989,307.79, 369,239,271.36 and 142,560,592.47
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Solution
The fourth proportional to 245,989,307.79, 369,239,271.36 and 142,560,592.47 is: 213,988,850.82
Step by Step Solution
- Step 1: Write the proportion equation
245,989,307.79 : 369,239,271.36 = 142,560,592.47 : x - Step 2: Convert to fraction form
245,989,307.79/369,239,271.36 = 142,560,592.47/x - Step 3: Cross multiply
245,989,307.79x = 369,239,271.36 × 142,560,592.47 - Step 4: Simplify right side
245,989,307.79x = 52,638,969,288,272,704 - Step 5: Solve for x
x = 52,638,969,288,272,704/245,989,307.79 - Step 6: Final answer
x = 213,988,850.82
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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.