Finding the Fourth Proportional to 124,542,726.24, 171,879,585.84 and 69,549,206.88
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Solution
The fourth proportional to 124,542,726.24, 171,879,585.84 and 69,549,206.88 is: 95,983,838.12
Step by Step Solution
- Step 1: Write the proportion equation
124,542,726.24 : 171,879,585.84 = 69,549,206.88 : x - Step 2: Convert to fraction form
124,542,726.24/171,879,585.84 = 69,549,206.88/x - Step 3: Cross multiply
124,542,726.24x = 171,879,585.84 × 69,549,206.88 - Step 4: Simplify right side
124,542,726.24x = 11,954,088,874,034,878 - Step 5: Solve for x
x = 11,954,088,874,034,878/124,542,726.24 - Step 6: Final answer
x = 95,983,838.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.