Finding the Fourth Proportional to 240,013,158.66, 331,216,395.57 and 135,589,332.42
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Solution
The fourth proportional to 240,013,158.66, 331,216,395.57 and 135,589,332.42 is: 187,112,282.56
Step by Step Solution
- Step 1: Write the proportion equation
240,013,158.66 : 331,216,395.57 = 135,589,332.42 : x - Step 2: Convert to fraction form
240,013,158.66/331,216,395.57 = 135,589,332.42/x - Step 3: Cross multiply
240,013,158.66x = 331,216,395.57 × 135,589,332.42 - Step 4: Simplify right side
240,013,158.66x = 44,909,409,961,894,944 - Step 5: Solve for x
x = 44,909,409,961,894,944/240,013,158.66 - Step 6: Final answer
x = 187,112,282.56
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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.