Finding the Fourth Proportional to 195,417,016,555.87, 292,957,644,303.65 and 67,915,143,130.42
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Solution
The fourth proportional to 195,417,016,555.87, 292,957,644,303.65 and 67,915,143,130.42 is: 101,814,369,570.75
Step by Step Solution
- Step 1: Write the proportion equation
195,417,016,555.87 : 292,957,644,303.65 = 67,915,143,130.42 : x - Step 2: Convert to fraction form
195,417,016,555.87/292,957,644,303.65 = 67,915,143,130.42/x - Step 3: Cross multiply
195,417,016,555.87x = 292,957,644,303.65 × 67,915,143,130.42 - Step 4: Simplify right side
195,417,016,555.87x = 19,896,260,344,033,063,206,912 - Step 5: Solve for x
x = 19,896,260,344,033,063,206,912/195,417,016,555.87 - Step 6: Final answer
x = 101,814,369,570.75
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1.5x scale
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.