Finding the Fourth Proportional to 54,453,106.41, 81,679,363.69 and 31,409,103.21
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Solution
The fourth proportional to 54,453,106.41, 81,679,363.69 and 31,409,103.21 is: 47,113,484.12
Step by Step Solution
- Step 1: Write the proportion equation
54,453,106.41 : 81,679,363.69 = 31,409,103.21 : x - Step 2: Convert to fraction form
54,453,106.41/81,679,363.69 = 31,409,103.21/x - Step 3: Cross multiply
54,453,106.41x = 81,679,363.69 × 31,409,103.21 - Step 4: Simplify right side
54,453,106.41x = 2,565,475,564,266,336.50 - Step 5: Solve for x
x = 2,565,475,564,266,336.50/54,453,106.41 - Step 6: Final answer
x = 47,113,484.12
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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.