Finding the Fourth Proportional to 266,175,959.06, 399,276,269.51 and 81,951,686.95
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Solution
The fourth proportional to 266,175,959.06, 399,276,269.51 and 81,951,686.95 is: 122,931,326.94
Step by Step Solution
- Step 1: Write the proportion equation
266,175,959.06 : 399,276,269.51 = 81,951,686.95 : x - Step 2: Convert to fraction form
266,175,959.06/399,276,269.51 = 81,951,686.95/x - Step 3: Cross multiply
266,175,959.06x = 399,276,269.51 × 81,951,686.95 - Step 4: Simplify right side
266,175,959.06x = 32,721,363,845,536,688 - Step 5: Solve for x
x = 32,721,363,845,536,688/266,175,959.06 - Step 6: Final answer
x = 122,931,326.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.