Finding the Fourth Proportional to 302,781,423.87, 417,838,547.99 and 163,552,247.15
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Solution
The fourth proportional to 302,781,423.87, 417,838,547.99 and 163,552,247.15 is: 225,702,199.94
Step by Step Solution
- Step 1: Write the proportion equation
302,781,423.87 : 417,838,547.99 = 163,552,247.15 : x - Step 2: Convert to fraction form
302,781,423.87/417,838,547.99 = 163,552,247.15/x - Step 3: Cross multiply
302,781,423.87x = 417,838,547.99 × 163,552,247.15 - Step 4: Simplify right side
302,781,423.87x = 68,338,433,467,977,312 - Step 5: Solve for x
x = 68,338,433,467,977,312/302,781,423.87 - Step 6: Final answer
x = 225,702,199.94
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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.