Finding the Fourth Proportional to 141,885,319.54, 212,725,836.35 and 87,184,889.26
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Solution
The fourth proportional to 141,885,319.54, 212,725,836.35 and 87,184,889.26 is: 130,714,569.65
Step by Step Solution
- Step 1: Write the proportion equation
141,885,319.54 : 212,725,836.35 = 87,184,889.26 : x - Step 2: Convert to fraction form
141,885,319.54/212,725,836.35 = 87,184,889.26/x - Step 3: Cross multiply
141,885,319.54x = 212,725,836.35 × 87,184,889.26 - Step 4: Simplify right side
141,885,319.54x = 18,546,478,483,852,000 - Step 5: Solve for x
x = 18,546,478,483,852,000/141,885,319.54 - Step 6: Final answer
x = 130,714,569.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.