Finding the Fourth Proportional to 236,155,579.68, 325,896,821.04 and 130,313,702.40
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Solution
The fourth proportional to 236,155,579.68, 325,896,821.04 and 130,313,702.40 is: 179,834,079.75
Step by Step Solution
- Step 1: Write the proportion equation
236,155,579.68 : 325,896,821.04 = 130,313,702.40 : x - Step 2: Convert to fraction form
236,155,579.68/325,896,821.04 = 130,313,702.40/x - Step 3: Cross multiply
236,155,579.68x = 325,896,821.04 × 130,313,702.40 - Step 4: Simplify right side
236,155,579.68x = 42,468,821,350,112,624 - Step 5: Solve for x
x = 42,468,821,350,112,624/236,155,579.68 - Step 6: Final answer
x = 179,834,079.75
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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.