Finding the Fourth Proportional to 276,225,648.19, 381,191,427.30 and 152,466,358.12
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Solution
The fourth proportional to 276,225,648.19, 381,191,427.30 and 152,466,358.12 is: 210,403,592.31
Step by Step Solution
- Step 1: Write the proportion equation
276,225,648.19 : 381,191,427.30 = 152,466,358.12 : x - Step 2: Convert to fraction form
276,225,648.19/381,191,427.30 = 152,466,358.12/x - Step 3: Cross multiply
276,225,648.19x = 381,191,427.30 × 152,466,358.12 - Step 4: Simplify right side
276,225,648.19x = 58,118,868,666,613,000 - Step 5: Solve for x
x = 58,118,868,666,613,000/276,225,648.19 - Step 6: Final answer
x = 210,403,592.31
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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.