Finding the Fourth Proportional to 70,961,427.15, 97,926,585.17 and 39,599,147.09
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Solution
The fourth proportional to 70,961,427.15, 97,926,585.17 and 39,599,147.09 is: 54,646,720.13
Step by Step Solution
- Step 1: Write the proportion equation
70,961,427.15 : 97,926,585.17 = 39,599,147.09 : x - Step 2: Convert to fraction form
70,961,427.15/97,926,585.17 = 39,599,147.09/x - Step 3: Cross multiply
70,961,427.15x = 97,926,585.17 × 39,599,147.09 - Step 4: Simplify right side
70,961,427.15x = 3,877,809,249,480,614.50 - Step 5: Solve for x
x = 3,877,809,249,480,614.50/70,961,427.15 - Step 6: Final answer
x = 54,646,720.13
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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.