Finding the Fourth Proportional to 130,076,625.47, 179,517,095.84 and 71,350,640.71
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Solution
The fourth proportional to 130,076,625.47, 179,517,095.84 and 71,350,640.71 is: 98,470,111.45
Step by Step Solution
- Step 1: Write the proportion equation
130,076,625.47 : 179,517,095.84 = 71,350,640.71 : x - Step 2: Convert to fraction form
130,076,625.47/179,517,095.84 = 71,350,640.71/x - Step 3: Cross multiply
130,076,625.47x = 179,517,095.84 × 71,350,640.71 - Step 4: Simplify right side
130,076,625.47x = 12,808,659,806,312,058 - Step 5: Solve for x
x = 12,808,659,806,312,058/130,076,625.47 - Step 6: Final answer
x = 98,470,111.45
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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.