Finding the Fourth Proportional to 316,383,986.47, 474,402,592.62 and 97,973,692.81
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Solution
The fourth proportional to 316,383,986.47, 474,402,592.62 and 97,973,692.81 is: 146,906,846.95
Step by Step Solution
- Step 1: Write the proportion equation
316,383,986.47 : 474,402,592.62 = 97,973,692.81 : x - Step 2: Convert to fraction form
316,383,986.47/474,402,592.62 = 97,973,692.81/x - Step 3: Cross multiply
316,383,986.47x = 474,402,592.62 × 97,973,692.81 - Step 4: Simplify right side
316,383,986.47x = 46,478,973,877,619,456 - Step 5: Solve for x
x = 46,478,973,877,619,456/316,383,986.47 - Step 6: Final answer
x = 146,906,846.95
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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.