Finding the Fourth Proportional to 197,407,893,368.63, 272,422,892,848.73 and 112,921,528,952.63
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Solution
The fourth proportional to 197,407,893,368.63, 272,422,892,848.73 and 112,921,528,952.63 is: 155,831,709,954.64
Step by Step Solution
- Step 1: Write the proportion equation
197,407,893,368.63 : 272,422,892,848.73 = 112,921,528,952.63 : x - Step 2: Convert to fraction form
197,407,893,368.63/272,422,892,848.73 = 112,921,528,952.63/x - Step 3: Cross multiply
197,407,893,368.63x = 272,422,892,848.73 × 112,921,528,952.63 - Step 4: Simplify right side
197,407,893,368.63x = 30,762,409,582,177,086,865,408 - Step 5: Solve for x
x = 30,762,409,582,177,086,865,408/197,407,893,368.63 - Step 6: Final answer
x = 155,831,709,954.64
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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.