Finding the Fourth Proportional to 236,588,831.48, 326,510,260.59 and 136,148,057.12
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Solution
The fourth proportional to 236,588,831.48, 326,510,260.59 and 136,148,057.12 is: 187,894,489.06
Step by Step Solution
- Step 1: Write the proportion equation
236,588,831.48 : 326,510,260.59 = 136,148,057.12 : x - Step 2: Convert to fraction form
236,588,831.48/326,510,260.59 = 136,148,057.12/x - Step 3: Cross multiply
236,588,831.48x = 326,510,260.59 × 136,148,057.12 - Step 4: Simplify right side
236,588,831.48x = 44,453,737,607,440,856 - Step 5: Solve for x
x = 44,453,737,607,440,856/236,588,831.48 - Step 6: Final answer
x = 187,894,489.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.