Finding the Fourth Proportional to 80,705,585,153.05, 121,011,542,434.95 and 38,210,125,653.97
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Solution
The fourth proportional to 80,705,585,153.05, 121,011,542,434.95 and 38,210,125,653.97 is: 57,293,014,272.20
Step by Step Solution
- Step 1: Write the proportion equation
80,705,585,153.05 : 121,011,542,434.95 = 38,210,125,653.97 : x - Step 2: Convert to fraction form
80,705,585,153.05/121,011,542,434.95 = 38,210,125,653.97/x - Step 3: Cross multiply
80,705,585,153.05x = 121,011,542,434.95 × 38,210,125,653.97 - Step 4: Simplify right side
80,705,585,153.05x = 4,623,866,242,020,162,404,352 - Step 5: Solve for x
x = 4,623,866,242,020,162,404,352/80,705,585,153.05 - Step 6: Final answer
x = 57,293,014,272.20
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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.