Finding the Fourth Proportional to 139,968,242.70, 209,952,364.05 and 96,746,124.30
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Solution
The fourth proportional to 139,968,242.70, 209,952,364.05 and 96,746,124.30 is: 145,119,186.45
Step by Step Solution
- Step 1: Write the proportion equation
139,968,242.70 : 209,952,364.05 = 96,746,124.30 : x - Step 2: Convert to fraction form
139,968,242.70/209,952,364.05 = 96,746,124.30/x - Step 3: Cross multiply
139,968,242.70x = 209,952,364.05 × 96,746,124.30 - Step 4: Simplify right side
139,968,242.70x = 20,312,077,509,460,152 - Step 5: Solve for x
x = 20,312,077,509,460,152/139,968,242.70 - Step 6: Final answer
x = 145,119,186.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.