Finding the Fourth Proportional to 90,804,758.24, 125,313,212.76 and 49,554,307.68
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Solution
The fourth proportional to 90,804,758.24, 125,313,212.76 and 49,554,307.68 is: 68,386,388.80
Step by Step Solution
- Step 1: Write the proportion equation
90,804,758.24 : 125,313,212.76 = 49,554,307.68 : x - Step 2: Convert to fraction form
90,804,758.24/125,313,212.76 = 49,554,307.68/x - Step 3: Cross multiply
90,804,758.24x = 125,313,212.76 × 49,554,307.68 - Step 4: Simplify right side
90,804,758.24x = 6,209,809,501,478,342 - Step 5: Solve for x
x = 6,209,809,501,478,342/90,804,758.24 - Step 6: Final answer
x = 68,386,388.80
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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.