Finding the Fourth Proportional to 274,931,848.56, 379,403,283.58 and 149,484,042.82
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Solution
The fourth proportional to 274,931,848.56, 379,403,283.58 and 149,484,042.82 is: 206,286,528.77
Step by Step Solution
- Step 1: Write the proportion equation
274,931,848.56 : 379,403,283.58 = 149,484,042.82 : x - Step 2: Convert to fraction form
274,931,848.56/379,403,283.58 = 149,484,042.82/x - Step 3: Cross multiply
274,931,848.56x = 379,403,283.58 × 149,484,042.82 - Step 4: Simplify right side
274,931,848.56x = 56,714,736,688,721,320 - Step 5: Solve for x
x = 56,714,736,688,721,320/274,931,848.56 - Step 6: Final answer
x = 206,286,528.77
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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.