Finding the Fourth Proportional to 86,920,128,051.30, 130,380,192,076.95 and 24,881,831,475.30
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Solution
The fourth proportional to 86,920,128,051.30, 130,380,192,076.95 and 24,881,831,475.30 is: 37,322,747,212.95
Step by Step Solution
- Step 1: Write the proportion equation
86,920,128,051.30 : 130,380,192,076.95 = 24,881,831,475.30 : x - Step 2: Convert to fraction form
86,920,128,051.30/130,380,192,076.95 = 24,881,831,475.30/x - Step 3: Cross multiply
86,920,128,051.30x = 130,380,192,076.95 × 24,881,831,475.30 - Step 4: Simplify right side
86,920,128,051.30x = 3,244,097,966,975,913,820,160 - Step 5: Solve for x
x = 3,244,097,966,975,913,820,160/86,920,128,051.30 - Step 6: Final answer
x = 37,322,747,212.95
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1.5x scale
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.