Finding the Fourth Proportional to 193,513,831.70, 289,872,616.35 and 97,829,633.30
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Solution
The fourth proportional to 193,513,831.70, 289,872,616.35 and 97,829,633.30 is: 146,543,177.36
Step by Step Solution
- Step 1: Write the proportion equation
193,513,831.70 : 289,872,616.35 = 97,829,633.30 : x - Step 2: Convert to fraction form
193,513,831.70/289,872,616.35 = 97,829,633.30/x - Step 3: Cross multiply
193,513,831.70x = 289,872,616.35 × 97,829,633.30 - Step 4: Simplify right side
193,513,831.70x = 28,358,131,761,232,084 - Step 5: Solve for x
x = 28,358,131,761,232,084/193,513,831.70 - Step 6: Final answer
x = 146,543,177.36
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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.