Finding the Fourth Proportional to 172,593,130.64, 238,178,511.18 and 93,208,184.48
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Solution
The fourth proportional to 172,593,130.64, 238,178,511.18 and 93,208,184.48 is: 128,627,289.66
Step by Step Solution
- Step 1: Write the proportion equation
172,593,130.64 : 238,178,511.18 = 93,208,184.48 : x - Step 2: Convert to fraction form
172,593,130.64/238,178,511.18 = 93,208,184.48/x - Step 3: Cross multiply
172,593,130.64x = 238,178,511.18 × 93,208,184.48 - Step 4: Simplify right side
172,593,130.64x = 22,200,186,609,036,516 - Step 5: Solve for x
x = 22,200,186,609,036,516/172,593,130.64 - Step 6: Final answer
x = 128,627,289.66
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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.