Finding the Fourth Proportional to 69,580,992.74, 96,038,493.35 and 39,828,887.66
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Solution
The fourth proportional to 69,580,992.74, 96,038,493.35 and 39,828,887.66 is: 54,973,437.61
Step by Step Solution
- Step 1: Write the proportion equation
69,580,992.74 : 96,038,493.35 = 39,828,887.66 : x - Step 2: Convert to fraction form
69,580,992.74/96,038,493.35 = 39,828,887.66/x - Step 3: Cross multiply
69,580,992.74x = 96,038,493.35 × 39,828,887.66 - Step 4: Simplify right side
69,580,992.74x = 3,825,106,362,713,759 - Step 5: Solve for x
x = 3,825,106,362,713,759/69,580,992.74 - Step 6: Final answer
x = 54,973,437.61
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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.