Finding the Fourth Proportional to 69,615,612.09, 96,063,920.60 and 40,248,837.18
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Solution
The fourth proportional to 69,615,612.09, 96,063,920.60 and 40,248,837.18 is: 55,540,143.70
Step by Step Solution
- Step 1: Write the proportion equation
69,615,612.09 : 96,063,920.60 = 40,248,837.18 : x - Step 2: Convert to fraction form
69,615,612.09/96,063,920.60 = 40,248,837.18/x - Step 3: Cross multiply
69,615,612.09x = 96,063,920.60 × 40,248,837.18 - Step 4: Simplify right side
69,615,612.09x = 3,866,461,098,900,603.50 - Step 5: Solve for x
x = 3,866,461,098,900,603.50/69,615,612.09 - Step 6: Final answer
x = 55,540,143.70
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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.