Finding the Fourth Proportional to 87,795,696.55, 121,165,501.41 and 48,649,752.49
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Solution
The fourth proportional to 87,795,696.55, 121,165,501.41 and 48,649,752.49 is: 67,140,781.22
Step by Step Solution
- Step 1: Write the proportion equation
87,795,696.55 : 121,165,501.41 = 48,649,752.49 : x - Step 2: Convert to fraction form
87,795,696.55/121,165,501.41 = 48,649,752.49/x - Step 3: Cross multiply
87,795,696.55x = 121,165,501.41 × 48,649,752.49 - Step 4: Simplify right side
87,795,696.55x = 5,894,671,653,620,332 - Step 5: Solve for x
x = 5,894,671,653,620,332/87,795,696.55 - Step 6: Final answer
x = 67,140,781.22
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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.