Finding the Fourth Proportional to 212,753,440.44, 293,645,397.28 and 134,387,150.58
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Solution
The fourth proportional to 212,753,440.44, 293,645,397.28 and 134,387,150.58 is: 185,483,102.60
Step by Step Solution
- Step 1: Write the proportion equation
212,753,440.44 : 293,645,397.28 = 134,387,150.58 : x - Step 2: Convert to fraction form
212,753,440.44/293,645,397.28 = 134,387,150.58/x - Step 3: Cross multiply
212,753,440.44x = 293,645,397.28 × 134,387,150.58 - Step 4: Simplify right side
212,753,440.44x = 39,462,168,221,391,280 - Step 5: Solve for x
x = 39,462,168,221,391,280/212,753,440.44 - Step 6: Final answer
x = 185,483,102.60
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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.