Finding the Fourth Proportional to 212,185,962.76, 292,813,708.98 and 119,366,442.76
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Solution
The fourth proportional to 212,185,962.76, 292,813,708.98 and 119,366,442.76 is: 164,724,048.55
Step by Step Solution
- Step 1: Write the proportion equation
212,185,962.76 : 292,813,708.98 = 119,366,442.76 : x - Step 2: Convert to fraction form
212,185,962.76/292,813,708.98 = 119,366,442.76/x - Step 3: Cross multiply
212,185,962.76x = 292,813,708.98 × 119,366,442.76 - Step 4: Simplify right side
212,185,962.76x = 34,952,130,832,304,472 - Step 5: Solve for x
x = 34,952,130,832,304,472/212,185,962.76 - Step 6: Final answer
x = 164,724,048.55
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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.