Finding the Fourth Proportional to 257,446,089.44, 355,282,570 and 139,979,306.08
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Solution
The fourth proportional to 257,446,089.44, 355,282,570 and 139,979,306.08 is: 193,175,230.27
Step by Step Solution
- Step 1: Write the proportion equation
257,446,089.44 : 355,282,570 = 139,979,306.08 : x - Step 2: Convert to fraction form
257,446,089.44/355,282,570 = 139,979,306.08/x - Step 3: Cross multiply
257,446,089.44x = 355,282,570 × 139,979,306.08 - Step 4: Simplify right side
257,446,089.44x = 49,732,207,610,919,032 - Step 5: Solve for x
x = 49,732,207,610,919,032/257,446,089.44 - Step 6: Final answer
x = 193,175,230.27
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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.