Finding the Fourth Proportional to 119,011,279.16, 178,435,421.70 and 60,605,901.08
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Solution
The fourth proportional to 119,011,279.16, 178,435,421.70 and 60,605,901.08 is: 90,867,349.66
Step by Step Solution
- Step 1: Write the proportion equation
119,011,279.16 : 178,435,421.70 = 60,605,901.08 : x - Step 2: Convert to fraction form
119,011,279.16/178,435,421.70 = 60,605,901.08/x - Step 3: Cross multiply
119,011,279.16x = 178,435,421.70 × 60,605,901.08 - Step 4: Simplify right side
119,011,279.16x = 10,814,239,516,718,284 - Step 5: Solve for x
x = 10,814,239,516,718,284/119,011,279.16 - Step 6: Final answer
x = 90,867,349.66
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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.