Finding the Fourth Proportional to 86,485,443.84, 119,241,521.28 and 55,490,929.92
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Solution
The fourth proportional to 86,485,443.84, 119,241,521.28 and 55,490,929.92 is: 76,507,937.14
Step by Step Solution
- Step 1: Write the proportion equation
86,485,443.84 : 119,241,521.28 = 55,490,929.92 : x - Step 2: Convert to fraction form
86,485,443.84/119,241,521.28 = 55,490,929.92/x - Step 3: Cross multiply
86,485,443.84x = 119,241,521.28 × 55,490,929.92 - Step 4: Simplify right side
86,485,443.84x = 6,616,822,900,902,669 - Step 5: Solve for x
x = 6,616,822,900,902,669/86,485,443.84 - Step 6: Final answer
x = 76,507,937.14
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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.