Finding the Fourth Proportional to 70,726,643.91, 97,604,938.62 and 39,366,435.09
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Solution
The fourth proportional to 70,726,643.91, 97,604,938.62 and 39,366,435.09 is: 54,326,888.26
Step by Step Solution
- Step 1: Write the proportion equation
70,726,643.91 : 97,604,938.62 = 39,366,435.09 : x - Step 2: Convert to fraction form
70,726,643.91/97,604,938.62 = 39,366,435.09/x - Step 3: Cross multiply
70,726,643.91x = 97,604,938.62 × 39,366,435.09 - Step 4: Simplify right side
70,726,643.91x = 3,842,358,480,647,664.50 - Step 5: Solve for x
x = 3,842,358,480,647,664.50/70,726,643.91 - Step 6: Final answer
x = 54,326,888.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.