Finding the Fourth Proportional to 97,117,913.20, 134,018,732.12 and 53,066,424.28
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Solution
The fourth proportional to 97,117,913.20, 134,018,732.12 and 53,066,424.28 is: 73,229,486.36
Step by Step Solution
- Step 1: Write the proportion equation
97,117,913.20 : 134,018,732.12 = 53,066,424.28 : x - Step 2: Convert to fraction form
97,117,913.20/134,018,732.12 = 53,066,424.28/x - Step 3: Cross multiply
97,117,913.20x = 134,018,732.12 × 53,066,424.28 - Step 4: Simplify right side
97,117,913.20x = 7,111,894,900,147,584 - Step 5: Solve for x
x = 7,111,894,900,147,584/97,117,913.20 - Step 6: Final answer
x = 73,229,486.36
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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.