Finding the Fourth Proportional to 135,955,235.52, 203,735,031.84 and 84,028,973.76
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Solution
The fourth proportional to 135,955,235.52, 203,735,031.84 and 84,028,973.76 is: 125,921,194.42
Step by Step Solution
- Step 1: Write the proportion equation
135,955,235.52 : 203,735,031.84 = 84,028,973.76 : x - Step 2: Convert to fraction form
135,955,235.52/203,735,031.84 = 84,028,973.76/x - Step 3: Cross multiply
135,955,235.52x = 203,735,031.84 × 84,028,973.76 - Step 4: Simplify right side
135,955,235.52x = 17,119,645,644,476,126 - Step 5: Solve for x
x = 17,119,645,644,476,126/135,955,235.52 - Step 6: Final answer
x = 125,921,194.42
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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.