Finding the Fourth Proportional to 251,630,405.18, 346,952,831.01 and 172,283,943.32
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Solution
The fourth proportional to 251,630,405.18, 346,952,831.01 and 172,283,943.32 is: 237,548,406.88
Step by Step Solution
- Step 1: Write the proportion equation
251,630,405.18 : 346,952,831.01 = 172,283,943.32 : x - Step 2: Convert to fraction form
251,630,405.18/346,952,831.01 = 172,283,943.32/x - Step 3: Cross multiply
251,630,405.18x = 346,952,831.01 × 172,283,943.32 - Step 4: Simplify right side
251,630,405.18x = 59,774,401,872,440,376 - Step 5: Solve for x
x = 59,774,401,872,440,376/251,630,405.18 - Step 6: Final answer
x = 237,548,406.88
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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.