Finding the Fourth Proportional to 70,442,680.66, 97,199,936.52 and 40,266,746.77
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Solution
The fourth proportional to 70,442,680.66, 97,199,936.52 and 40,266,746.77 is: 55,561,843.95
Step by Step Solution
- Step 1: Write the proportion equation
70,442,680.66 : 97,199,936.52 = 40,266,746.77 : x - Step 2: Convert to fraction form
70,442,680.66/97,199,936.52 = 40,266,746.77/x - Step 3: Cross multiply
70,442,680.66x = 97,199,936.52 × 40,266,746.77 - Step 4: Simplify right side
70,442,680.66x = 3,913,925,229,910,915 - Step 5: Solve for x
x = 3,913,925,229,910,915/70,442,680.66 - Step 6: Final answer
x = 55,561,843.95
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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.