Finding the Fourth Proportional to 124,623,909.70, 186,935,864.55 and 55,536,579.70
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Solution
The fourth proportional to 124,623,909.70, 186,935,864.55 and 55,536,579.70 is: 83,304,869.55
Step by Step Solution
- Step 1: Write the proportion equation
124,623,909.70 : 186,935,864.55 = 55,536,579.70 : x - Step 2: Convert to fraction form
124,623,909.70/186,935,864.55 = 55,536,579.70/x - Step 3: Cross multiply
124,623,909.70x = 186,935,864.55 × 55,536,579.70 - Step 4: Simplify right side
124,623,909.70x = 10,381,778,540,369,480 - Step 5: Solve for x
x = 10,381,778,540,369,480/124,623,909.70 - Step 6: Final answer
x = 83,304,869.55
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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.