Finding the Fourth Proportional to 85,751,429.29, 128,626,889.36 and 24,340,639.96
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Solution
The fourth proportional to 85,751,429.29, 128,626,889.36 and 24,340,639.96 is: 36,510,887.68
Step by Step Solution
- Step 1: Write the proportion equation
85,751,429.29 : 128,626,889.36 = 24,340,639.96 : x - Step 2: Convert to fraction form
85,751,429.29/128,626,889.36 = 24,340,639.96/x - Step 3: Cross multiply
85,751,429.29x = 128,626,889.36 × 24,340,639.96 - Step 4: Simplify right side
85,751,429.29x = 3,130,860,803,125,595.50 - Step 5: Solve for x
x = 3,130,860,803,125,595.50/85,751,429.29 - Step 6: Final answer
x = 36,510,887.68
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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.