Finding the Fourth Proportional to 118,173,424.72, 163,106,536.80 and 69,296,599.12
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Solution
The fourth proportional to 118,173,424.72, 163,106,536.80 and 69,296,599.12 is: 95,645,263.06
Step by Step Solution
- Step 1: Write the proportion equation
118,173,424.72 : 163,106,536.80 = 69,296,599.12 : x - Step 2: Convert to fraction form
118,173,424.72/163,106,536.80 = 69,296,599.12/x - Step 3: Cross multiply
118,173,424.72x = 163,106,536.80 × 69,296,599.12 - Step 4: Simplify right side
118,173,424.72x = 11,302,728,294,481,130 - Step 5: Solve for x
x = 11,302,728,294,481,130/118,173,424.72 - Step 6: Final answer
x = 95,645,263.06
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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.