Finding the Fourth Proportional to 53,021,088.12, 79,530,831.83 and 23,854,330.49
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Solution
The fourth proportional to 53,021,088.12, 79,530,831.83 and 23,854,330.49 is: 35,781,135.66
Step by Step Solution
- Step 1: Write the proportion equation
53,021,088.12 : 79,530,831.83 = 23,854,330.49 : x - Step 2: Convert to fraction form
53,021,088.12/79,530,831.83 = 23,854,330.49/x - Step 3: Cross multiply
53,021,088.12x = 79,530,831.83 × 23,854,330.49 - Step 4: Simplify right side
53,021,088.12x = 1,897,154,746,875,894.25 - Step 5: Solve for x
x = 1,897,154,746,875,894.25/53,021,088.12 - Step 6: Final answer
x = 35,781,135.66
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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.