Finding the Fourth Proportional to 97,411,815.45, 134,423,528.36 and 53,359,009.74
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Solution
The fourth proportional to 97,411,815.45, 134,423,528.36 and 53,359,009.74 is: 73,632,816.78
Step by Step Solution
- Step 1: Write the proportion equation
97,411,815.45 : 134,423,528.36 = 53,359,009.74 : x - Step 2: Convert to fraction form
97,411,815.45/134,423,528.36 = 53,359,009.74/x - Step 3: Cross multiply
97,411,815.45x = 134,423,528.36 × 53,359,009.74 - Step 4: Simplify right side
97,411,815.45x = 7,172,706,358,779,611 - Step 5: Solve for x
x = 7,172,706,358,779,611/97,411,815.45 - Step 6: Final answer
x = 73,632,816.78
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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.