Finding the Fourth Proportional to 211,808,281.08, 317,530,435.86 and 73,615,935.54
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Solution
The fourth proportional to 211,808,281.08, 317,530,435.86 and 73,615,935.54 is: 110,360,652.47
Step by Step Solution
- Step 1: Write the proportion equation
211,808,281.08 : 317,530,435.86 = 73,615,935.54 : x - Step 2: Convert to fraction form
211,808,281.08/317,530,435.86 = 73,615,935.54/x - Step 3: Cross multiply
211,808,281.08x = 317,530,435.86 × 73,615,935.54 - Step 4: Simplify right side
211,808,281.08x = 23,375,300,098,257,868 - Step 5: Solve for x
x = 23,375,300,098,257,868/211,808,281.08 - Step 6: Final answer
x = 110,360,652.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.