Finding the Fourth Proportional to 175,686,062.30, 242,305,398.06 and 154,447,430.84
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Solution
The fourth proportional to 175,686,062.30, 242,305,398.06 and 154,447,430.84 is: 213,013,176.57
Step by Step Solution
- Step 1: Write the proportion equation
175,686,062.30 : 242,305,398.06 = 154,447,430.84 : x - Step 2: Convert to fraction form
175,686,062.30/242,305,398.06 = 154,447,430.84/x - Step 3: Cross multiply
175,686,062.30x = 242,305,398.06 × 154,447,430.84 - Step 4: Simplify right side
175,686,062.30x = 37,423,446,209,030,520 - Step 5: Solve for x
x = 37,423,446,209,030,520/175,686,062.30 - Step 6: Final answer
x = 213,013,176.57
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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.