Finding the Fourth Proportional to 211,221,187,791.92, 316,833,742,885.62 and 60,127,483,866.92
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Solution
The fourth proportional to 211,221,187,791.92, 316,833,742,885.62 and 60,127,483,866.92 is: 90,191,784,086.63
Step by Step Solution
- Step 1: Write the proportion equation
211,221,187,791.92 : 316,833,742,885.62 = 60,127,483,866.92 : x - Step 2: Convert to fraction form
211,221,187,791.92/316,833,742,885.62 = 60,127,483,866.92/x - Step 3: Cross multiply
211,221,187,791.92x = 316,833,742,885.62 × 60,127,483,866.92 - Step 4: Simplify right side
211,221,187,791.92x = 19,050,415,763,850,996,482,048 - Step 5: Solve for x
x = 19,050,415,763,850,996,482,048/211,221,187,791.92 - Step 6: Final answer
x = 90,191,784,086.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.