Finding the Fourth Proportional to 74,772,095.76, 103,240,174.98 and 48,326,106
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Solution
The fourth proportional to 74,772,095.76, 103,240,174.98 and 48,326,106 is: 66,725,368.45
Step by Step Solution
- Step 1: Write the proportion equation
74,772,095.76 : 103,240,174.98 = 48,326,106 : x - Step 2: Convert to fraction form
74,772,095.76/103,240,174.98 = 48,326,106/x - Step 3: Cross multiply
74,772,095.76x = 103,240,174.98 × 48,326,106 - Step 4: Simplify right side
74,772,095.76x = 4,989,195,639,542,028 - Step 5: Solve for x
x = 4,989,195,639,542,028/74,772,095.76 - Step 6: Final answer
x = 66,725,368.45
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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.