Finding the Fourth Proportional to 219,235,818.22, 302,506,976.36 and 125,106,988.30
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Solution
The fourth proportional to 219,235,818.22, 302,506,976.36 and 125,106,988.30 is: 172,625,700.76
Step by Step Solution
- Step 1: Write the proportion equation
219,235,818.22 : 302,506,976.36 = 125,106,988.30 : x - Step 2: Convert to fraction form
219,235,818.22/302,506,976.36 = 125,106,988.30/x - Step 3: Cross multiply
219,235,818.22x = 302,506,976.36 × 125,106,988.30 - Step 4: Simplify right side
219,235,818.22x = 37,845,736,752,138,896 - Step 5: Solve for x
x = 37,845,736,752,138,896/219,235,818.22 - Step 6: Final answer
x = 172,625,700.76
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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.