Finding the Fourth Proportional to 247,547,149.20, 341,624,285.28 and 148,444,031.52
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Solution
The fourth proportional to 247,547,149.20, 341,624,285.28 and 148,444,031.52 is: 204,858,291.99
Step by Step Solution
- Step 1: Write the proportion equation
247,547,149.20 : 341,624,285.28 = 148,444,031.52 : x - Step 2: Convert to fraction form
247,547,149.20/341,624,285.28 = 148,444,031.52/x - Step 3: Cross multiply
247,547,149.20x = 341,624,285.28 × 148,444,031.52 - Step 4: Simplify right side
247,547,149.20x = 50,712,086,172,101,792 - Step 5: Solve for x
x = 50,712,086,172,101,792/247,547,149.20 - Step 6: Final answer
x = 204,858,291.99
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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.