Finding the Fourth Proportional to 139,048,133,472.92, 208,292,936,765.74 and 63,397,220,643.03
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Solution
The fourth proportional to 139,048,133,472.92, 208,292,936,765.74 and 63,397,220,643.03 is: 94,968,504,363.95
Step by Step Solution
- Step 1: Write the proportion equation
139,048,133,472.92 : 208,292,936,765.74 = 63,397,220,643.03 : x - Step 2: Convert to fraction form
139,048,133,472.92/208,292,936,765.74 = 63,397,220,643.03/x - Step 3: Cross multiply
139,048,133,472.92x = 208,292,936,765.74 × 63,397,220,643.03 - Step 4: Simplify right side
139,048,133,472.92x = 13,205,193,270,522,730,774,528 - Step 5: Solve for x
x = 13,205,193,270,522,730,774,528/139,048,133,472.92 - Step 6: Final answer
x = 94,968,504,363.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.