Finding the Fourth Proportional to 93,346,747.66, 128,815,135.59 and 51,529,915.45
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Solution
The fourth proportional to 93,346,747.66, 128,815,135.59 and 51,529,915.45 is: 71,109,419.58
Step by Step Solution
- Step 1: Write the proportion equation
93,346,747.66 : 128,815,135.59 = 51,529,915.45 : x - Step 2: Convert to fraction form
93,346,747.66/128,815,135.59 = 51,529,915.45/x - Step 3: Cross multiply
93,346,747.66x = 128,815,135.59 × 51,529,915.45 - Step 4: Simplify right side
93,346,747.66x = 6,637,833,045,632,986 - Step 5: Solve for x
x = 6,637,833,045,632,986/93,346,747.66 - Step 6: Final answer
x = 71,109,419.58
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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.