Finding the Fourth Proportional to 157,464,896.90, 236,197,345.35 and 118,665,767.30
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Solution
The fourth proportional to 157,464,896.90, 236,197,345.35 and 118,665,767.30 is: 177,998,650.95
Step by Step Solution
- Step 1: Write the proportion equation
157,464,896.90 : 236,197,345.35 = 118,665,767.30 : x - Step 2: Convert to fraction form
157,464,896.90/236,197,345.35 = 118,665,767.30/x - Step 3: Cross multiply
157,464,896.90x = 236,197,345.35 × 118,665,767.30 - Step 4: Simplify right side
157,464,896.90x = 28,028,539,220,180,836 - Step 5: Solve for x
x = 28,028,539,220,180,836/157,464,896.90 - Step 6: Final answer
x = 177,998,650.95
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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.