Finding the Fourth Proportional to 212,947,396.04, 293,868,291.84 and 115,162,252.04
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Solution
The fourth proportional to 212,947,396.04, 293,868,291.84 and 115,162,252.04 is: 158,924,386.59
Step by Step Solution
- Step 1: Write the proportion equation
212,947,396.04 : 293,868,291.84 = 115,162,252.04 : x - Step 2: Convert to fraction form
212,947,396.04/293,868,291.84 = 115,162,252.04/x - Step 3: Cross multiply
212,947,396.04x = 293,868,291.84 × 115,162,252.04 - Step 4: Simplify right side
212,947,396.04x = 33,842,534,291,442,356 - Step 5: Solve for x
x = 33,842,534,291,442,356/212,947,396.04 - Step 6: Final answer
x = 158,924,386.59
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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.