Finding the Fourth Proportional to 124,417,730.40, 186,626,595.60 and 73,273,423.20
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Solution
The fourth proportional to 124,417,730.40, 186,626,595.60 and 73,273,423.20 is: 109,910,134.80
Step by Step Solution
- Step 1: Write the proportion equation
124,417,730.40 : 186,626,595.60 = 73,273,423.20 : x - Step 2: Convert to fraction form
124,417,730.40/186,626,595.60 = 73,273,423.20/x - Step 3: Cross multiply
124,417,730.40x = 186,626,595.60 × 73,273,423.20 - Step 4: Simplify right side
124,417,730.40x = 13,674,769,519,774,058 - Step 5: Solve for x
x = 13,674,769,519,774,058/124,417,730.40 - Step 6: Final answer
x = 109,910,134.80
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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.