Finding the Fourth Proportional to 274,236,831.48, 411,357,658.50 and 69,765,123
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Solution
The fourth proportional to 274,236,831.48, 411,357,658.50 and 69,765,123 is: 104,648,297.92
Step by Step Solution
- Step 1: Write the proportion equation
274,236,831.48 : 411,357,658.50 = 69,765,123 : x - Step 2: Convert to fraction form
274,236,831.48/411,357,658.50 = 69,765,123/x - Step 3: Cross multiply
274,236,831.48x = 411,357,658.50 × 69,765,123 - Step 4: Simplify right side
274,236,831.48x = 28,698,417,642,244,496 - Step 5: Solve for x
x = 28,698,417,642,244,496/274,236,831.48 - Step 6: Final answer
x = 104,648,297.92
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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.