Finding the Fourth Proportional to 118,052,631.08, 162,912,848.28 and 65,845,031.84
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Solution
The fourth proportional to 118,052,631.08, 162,912,848.28 and 65,845,031.84 is: 90,866,265.19
Step by Step Solution
- Step 1: Write the proportion equation
118,052,631.08 : 162,912,848.28 = 65,845,031.84 : x - Step 2: Convert to fraction form
118,052,631.08/162,912,848.28 = 65,845,031.84/x - Step 3: Cross multiply
118,052,631.08x = 162,912,848.28 × 65,845,031.84 - Step 4: Simplify right side
118,052,631.08x = 10,727,001,682,141,690 - Step 5: Solve for x
x = 10,727,001,682,141,690/118,052,631.08 - Step 6: Final answer
x = 90,866,265.19
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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.