Finding the Fourth Proportional to 293,308,831.80, 439,963,247.70 and 132,065,695.80
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Solution
The fourth proportional to 293,308,831.80, 439,963,247.70 and 132,065,695.80 is: 198,098,543.70
Step by Step Solution
- Step 1: Write the proportion equation
293,308,831.80 : 439,963,247.70 = 132,065,695.80 : x - Step 2: Convert to fraction form
293,308,831.80/439,963,247.70 = 132,065,695.80/x - Step 3: Cross multiply
293,308,831.80x = 439,963,247.70 × 132,065,695.80 - Step 4: Simplify right side
293,308,831.80x = 58,104,052,433,928,248 - Step 5: Solve for x
x = 58,104,052,433,928,248/293,308,831.80 - Step 6: Final answer
x = 198,098,543.70
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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.