Finding the Fourth Proportional to 42,201,210.70, 63,301,816.05 and 25,195,098.70
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Solution
The fourth proportional to 42,201,210.70, 63,301,816.05 and 25,195,098.70 is: 37,792,648.05
Step by Step Solution
- Step 1: Write the proportion equation
42,201,210.70 : 63,301,816.05 = 25,195,098.70 : x - Step 2: Convert to fraction form
42,201,210.70/63,301,816.05 = 25,195,098.70/x - Step 3: Cross multiply
42,201,210.70x = 63,301,816.05 × 25,195,098.70 - Step 4: Simplify right side
42,201,210.70x = 1,594,895,503,268,994 - Step 5: Solve for x
x = 1,594,895,503,268,994/42,201,210.70 - Step 6: Final answer
x = 37,792,648.05
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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.