Finding the Fourth Proportional to 316,383,985.47, 474,402,591.12 and 97,973,691.81
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Solution
The fourth proportional to 316,383,985.47, 474,402,591.12 and 97,973,691.81 is: 146,906,845.45
Step by Step Solution
- Step 1: Write the proportion equation
316,383,985.47 : 474,402,591.12 = 97,973,691.81 : x - Step 2: Convert to fraction form
316,383,985.47/474,402,591.12 = 97,973,691.81/x - Step 3: Cross multiply
316,383,985.47x = 474,402,591.12 × 97,973,691.81 - Step 4: Simplify right side
316,383,985.47x = 46,478,973,256,256,328 - Step 5: Solve for x
x = 46,478,973,256,256,328/316,383,985.47 - Step 6: Final answer
x = 146,906,845.45
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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.