Finding the Fourth Proportional to 135,416,972.88, 186,874,838.28 and 73,536,801.36
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Solution
The fourth proportional to 135,416,972.88, 186,874,838.28 and 73,536,801.36 is: 101,480,468.58
Step by Step Solution
- Step 1: Write the proportion equation
135,416,972.88 : 186,874,838.28 = 73,536,801.36 : x - Step 2: Convert to fraction form
135,416,972.88/186,874,838.28 = 73,536,801.36/x - Step 3: Cross multiply
135,416,972.88x = 186,874,838.28 × 73,536,801.36 - Step 4: Simplify right side
135,416,972.88x = 13,742,177,861,778,484 - Step 5: Solve for x
x = 13,742,177,861,778,484/135,416,972.88 - Step 6: Final answer
x = 101,480,468.58
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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.