Finding the Fourth Proportional to 126,357,161.88, 189,547,309.62 and 35,480,138.52
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Solution
The fourth proportional to 126,357,161.88, 189,547,309.62 and 35,480,138.52 is: 53,223,455.65
Step by Step Solution
- Step 1: Write the proportion equation
126,357,161.88 : 189,547,309.62 = 35,480,138.52 : x - Step 2: Convert to fraction form
126,357,161.88/189,547,309.62 = 35,480,138.52/x - Step 3: Cross multiply
126,357,161.88x = 189,547,309.62 × 35,480,138.52 - Step 4: Simplify right side
126,357,161.88x = 6,725,164,801,410,929 - Step 5: Solve for x
x = 6,725,164,801,410,929/126,357,161.88 - Step 6: Final answer
x = 53,223,455.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.