Finding the Fourth Proportional to 71,615,511.43, 107,346,785.68 and 40,843,831.95
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Solution
The fourth proportional to 71,615,511.43, 107,346,785.68 and 40,843,831.95 is: 61,222,128.94
Step by Step Solution
- Step 1: Write the proportion equation
71,615,511.43 : 107,346,785.68 = 40,843,831.95 : x - Step 2: Convert to fraction form
71,615,511.43/107,346,785.68 = 40,843,831.95/x - Step 3: Cross multiply
71,615,511.43x = 107,346,785.68 × 40,843,831.95 - Step 4: Simplify right side
71,615,511.43x = 4,384,454,074,686,587 - Step 5: Solve for x
x = 4,384,454,074,686,587/71,615,511.43 - Step 6: Final answer
x = 61,222,128.94
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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.