Finding the Fourth Proportional to 97,880,062.25, 135,036,256.38 and 56,041,767.53
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Solution
The fourth proportional to 97,880,062.25, 135,036,256.38 and 56,041,767.53 is: 77,315,750.66
Step by Step Solution
- Step 1: Write the proportion equation
97,880,062.25 : 135,036,256.38 = 56,041,767.53 : x - Step 2: Convert to fraction form
97,880,062.25/135,036,256.38 = 56,041,767.53/x - Step 3: Cross multiply
97,880,062.25x = 135,036,256.38 × 56,041,767.53 - Step 4: Simplify right side
97,880,062.25x = 7,567,670,487,494,258 - Step 5: Solve for x
x = 7,567,670,487,494,258/97,880,062.25 - Step 6: Final answer
x = 77,315,750.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.