Finding the Fourth Proportional to 139,816,275.84, 193,029,132.20 and 124,303,438.80
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Solution
The fourth proportional to 139,816,275.84, 193,029,132.20 and 124,303,438.80 is: 171,612,244.55
Step by Step Solution
- Step 1: Write the proportion equation
139,816,275.84 : 193,029,132.20 = 124,303,438.80 : x - Step 2: Convert to fraction form
139,816,275.84/193,029,132.20 = 124,303,438.80/x - Step 3: Cross multiply
139,816,275.84x = 193,029,132.20 × 124,303,438.80 - Step 4: Simplify right side
139,816,275.84x = 23,994,184,921,039,808 - Step 5: Solve for x
x = 23,994,184,921,039,808/139,816,275.84 - Step 6: Final answer
x = 171,612,244.55
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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.