Finding the Fourth Proportional to 138,175,683.15, 207,335,256.51 and 56,354,589.39
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Solution
The fourth proportional to 138,175,683.15, 207,335,256.51 and 56,354,589.39 is: 84,561,139.71
Step by Step Solution
- Step 1: Write the proportion equation
138,175,683.15 : 207,335,256.51 = 56,354,589.39 : x - Step 2: Convert to fraction form
138,175,683.15/207,335,256.51 = 56,354,589.39/x - Step 3: Cross multiply
138,175,683.15x = 207,335,256.51 × 56,354,589.39 - Step 4: Simplify right side
138,175,683.15x = 11,684,293,246,691,374 - Step 5: Solve for x
x = 11,684,293,246,691,374/138,175,683.15 - Step 6: Final answer
x = 84,561,139.71
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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.