Finding the Fourth Proportional to 107,415,310.03, 148,115,827.34 and 72,547,465.21
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Solution
The fourth proportional to 107,415,310.03, 148,115,827.34 and 72,547,465.21 is: 100,036,278.14
Step by Step Solution
- Step 1: Write the proportion equation
107,415,310.03 : 148,115,827.34 = 72,547,465.21 : x - Step 2: Convert to fraction form
107,415,310.03/148,115,827.34 = 72,547,465.21/x - Step 3: Cross multiply
107,415,310.03x = 148,115,827.34 × 72,547,465.21 - Step 4: Simplify right side
107,415,310.03x = 10,745,427,830,636,280 - Step 5: Solve for x
x = 10,745,427,830,636,280/107,415,310.03 - Step 6: Final answer
x = 100,036,278.14
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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.