Finding the Fourth Proportional to 70,312,084.53, 105,468,138.38 and 29,349,177.92
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Solution
The fourth proportional to 70,312,084.53, 105,468,138.38 and 29,349,177.92 is: 44,023,771.71
Step by Step Solution
- Step 1: Write the proportion equation
70,312,084.53 : 105,468,138.38 = 29,349,177.92 : x - Step 2: Convert to fraction form
70,312,084.53/105,468,138.38 = 29,349,177.92/x - Step 3: Cross multiply
70,312,084.53x = 105,468,138.38 × 29,349,177.92 - Step 4: Simplify right side
70,312,084.53x = 3,095,403,157,531,714 - Step 5: Solve for x
x = 3,095,403,157,531,714/70,312,084.53 - Step 6: Final answer
x = 44,023,771.71
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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.