Finding the Fourth Proportional to 99,298,586.02, 137,033,303.67 and 54,649,697.18
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Solution
The fourth proportional to 99,298,586.02, 137,033,303.67 and 54,649,697.18 is: 75,417,272.79
Step by Step Solution
- Step 1: Write the proportion equation
99,298,586.02 : 137,033,303.67 = 54,649,697.18 : x - Step 2: Convert to fraction form
99,298,586.02/137,033,303.67 = 54,649,697.18/x - Step 3: Cross multiply
99,298,586.02x = 137,033,303.67 × 54,649,697.18 - Step 4: Simplify right side
99,298,586.02x = 7,488,828,549,140,482 - Step 5: Solve for x
x = 7,488,828,549,140,482/99,298,586.02 - Step 6: Final answer
x = 75,417,272.79
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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.