Finding the Fourth Proportional to 80,742,894.01, 121,108,482.53 and 31,549,497.43
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Solution
The fourth proportional to 80,742,894.01, 121,108,482.53 and 31,549,497.43 is: 47,321,956.99
Step by Step Solution
- Step 1: Write the proportion equation
80,742,894.01 : 121,108,482.53 = 31,549,497.43 : x - Step 2: Convert to fraction form
80,742,894.01/121,108,482.53 = 31,549,497.43/x - Step 3: Cross multiply
80,742,894.01x = 121,108,482.53 × 31,549,497.43 - Step 4: Simplify right side
80,742,894.01x = 3,820,911,757,725,892.50 - Step 5: Solve for x
x = 3,820,911,757,725,892.50/80,742,894.01 - Step 6: Final answer
x = 47,321,956.99
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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.