Finding the Fourth Proportional to 113,513,392.12, 156,648,475.12 and 61,302,422.74
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Solution
The fourth proportional to 113,513,392.12, 156,648,475.12 and 61,302,422.74 is: 84,597,340.14
Step by Step Solution
- Step 1: Write the proportion equation
113,513,392.12 : 156,648,475.12 = 61,302,422.74 : x - Step 2: Convert to fraction form
113,513,392.12/156,648,475.12 = 61,302,422.74/x - Step 3: Cross multiply
113,513,392.12x = 156,648,475.12 × 61,302,422.74 - Step 4: Simplify right side
113,513,392.12x = 9,602,931,043,382,612 - Step 5: Solve for x
x = 9,602,931,043,382,612/113,513,392.12 - Step 6: Final answer
x = 84,597,340.14
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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.