Finding the Fourth Proportional to 88,038,952.78, 121,497,549.35 and 48,880,731.45
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Solution
The fourth proportional to 88,038,952.78, 121,497,549.35 and 48,880,731.45 is: 67,457,516.17
Step by Step Solution
- Step 1: Write the proportion equation
88,038,952.78 : 121,497,549.35 = 48,880,731.45 : x - Step 2: Convert to fraction form
88,038,952.78/121,497,549.35 = 48,880,731.45/x - Step 3: Cross multiply
88,038,952.78x = 121,497,549.35 × 48,880,731.45 - Step 4: Simplify right side
88,038,952.78x = 5,938,889,080,796,488 - Step 5: Solve for x
x = 5,938,889,080,796,488/88,038,952.78 - Step 6: Final answer
x = 67,457,516.17
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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.