Finding the Fourth Proportional to 83,437,746.80, 125,209,764.30 and 48,894,081.80
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Solution
The fourth proportional to 83,437,746.80, 125,209,764.30 and 48,894,081.80 is: 73,372,264.86
Step by Step Solution
- Step 1: Write the proportion equation
83,437,746.80 : 125,209,764.30 = 48,894,081.80 : x - Step 2: Convert to fraction form
83,437,746.80/125,209,764.30 = 48,894,081.80/x - Step 3: Cross multiply
83,437,746.80x = 125,209,764.30 × 48,894,081.80 - Step 4: Simplify right side
83,437,746.80x = 6,122,016,457,842,919 - Step 5: Solve for x
x = 6,122,016,457,842,919/83,437,746.80 - Step 6: Final answer
x = 73,372,264.86
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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.