Finding the Fourth Proportional to 70,961,427.65, 97,926,585.86 and 39,599,147.59
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Solution
The fourth proportional to 70,961,427.65, 97,926,585.86 and 39,599,147.59 is: 54,646,720.82
Step by Step Solution
- Step 1: Write the proportion equation
70,961,427.65 : 97,926,585.86 = 39,599,147.59 : x - Step 2: Convert to fraction form
70,961,427.65/97,926,585.86 = 39,599,147.59/x - Step 3: Cross multiply
70,961,427.65x = 97,926,585.86 × 39,599,147.59 - Step 4: Simplify right side
70,961,427.65x = 3,877,809,325,767,318.50 - Step 5: Solve for x
x = 3,877,809,325,767,318.50/70,961,427.65 - Step 6: Final answer
x = 54,646,720.82
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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.