Finding the Fourth Proportional to 157,730,670.79, 236,384,519.84 and 122,758,014.42
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Solution
The fourth proportional to 157,730,670.79, 236,384,519.84 and 122,758,014.42 is: 183,972,426.85
Step by Step Solution
- Step 1: Write the proportion equation
157,730,670.79 : 236,384,519.84 = 122,758,014.42 : x - Step 2: Convert to fraction form
157,730,670.79/236,384,519.84 = 122,758,014.42/x - Step 3: Cross multiply
157,730,670.79x = 236,384,519.84 × 122,758,014.42 - Step 4: Simplify right side
157,730,670.79x = 29,018,094,294,105,560 - Step 5: Solve for x
x = 29,018,094,294,105,560/157,730,670.79 - Step 6: Final answer
x = 183,972,426.85
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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.