Finding the Fourth Proportional to 148,584,330.05, 221,875,959.17 and 121,344,698.30
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Solution
The fourth proportional to 148,584,330.05, 221,875,959.17 and 121,344,698.30 is: 181,199,937.55
Step by Step Solution
- Step 1: Write the proportion equation
148,584,330.05 : 221,875,959.17 = 121,344,698.30 : x - Step 2: Convert to fraction form
148,584,330.05/221,875,959.17 = 121,344,698.30/x - Step 3: Cross multiply
148,584,330.05x = 221,875,959.17 × 121,344,698.30 - Step 4: Simplify right side
148,584,330.05x = 26,923,471,324,700,752 - Step 5: Solve for x
x = 26,923,471,324,700,752/148,584,330.05 - Step 6: Final answer
x = 181,199,937.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.