Finding the Fourth Proportional to 276,596,656.24, 381,703,259.58 and 152,836,250.80
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Solution
The fourth proportional to 276,596,656.24, 381,703,259.58 and 152,836,250.80 is: 210,913,956.46
Step by Step Solution
- Step 1: Write the proportion equation
276,596,656.24 : 381,703,259.58 = 152,836,250.80 : x - Step 2: Convert to fraction form
276,596,656.24/381,703,259.58 = 152,836,250.80/x - Step 3: Cross multiply
276,596,656.24x = 381,703,259.58 × 152,836,250.80 - Step 4: Simplify right side
276,596,656.24x = 58,338,095,112,346,384 - Step 5: Solve for x
x = 58,338,095,112,346,384/276,596,656.24 - Step 6: Final answer
x = 210,913,956.46
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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.