Finding the Fourth Proportional to 309,176,283.18, 426,658,488.84 and 169,944,053.16
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Solution
The fourth proportional to 309,176,283.18, 426,658,488.84 and 169,944,053.16 is: 234,520,164.88
Step by Step Solution
- Step 1: Write the proportion equation
309,176,283.18 : 426,658,488.84 = 169,944,053.16 : x - Step 2: Convert to fraction form
309,176,283.18/426,658,488.84 = 169,944,053.16/x - Step 3: Cross multiply
309,176,283.18x = 426,658,488.84 × 169,944,053.16 - Step 4: Simplify right side
309,176,283.18x = 72,508,072,908,590,224 - Step 5: Solve for x
x = 72,508,072,908,590,224/309,176,283.18 - Step 6: Final answer
x = 234,520,164.88
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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.