Finding the Fourth Proportional to 97,914,962.68, 135,123,360.78 and 53,261,320.24
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Solution
The fourth proportional to 97,914,962.68, 135,123,360.78 and 53,261,320.24 is: 73,501,009.38
Step by Step Solution
- Step 1: Write the proportion equation
97,914,962.68 : 135,123,360.78 = 53,261,320.24 : x - Step 2: Convert to fraction form
97,914,962.68/135,123,360.78 = 53,261,320.24/x - Step 3: Cross multiply
97,914,962.68x = 135,123,360.78 × 53,261,320.24 - Step 4: Simplify right side
97,914,962.68x = 7,196,848,590,408,637 - Step 5: Solve for x
x = 7,196,848,590,408,637/97,914,962.68 - Step 6: Final answer
x = 73,501,009.38
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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.