Finding the Fourth Proportional to 125,750,638.32, 188,615,151.81 and 76,553,722.49
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Solution
The fourth proportional to 125,750,638.32, 188,615,151.81 and 76,553,722.49 is: 114,824,005.52
Step by Step Solution
- Step 1: Write the proportion equation
125,750,638.32 : 188,615,151.81 = 76,553,722.49 : x - Step 2: Convert to fraction form
125,750,638.32/188,615,151.81 = 76,553,722.49/x - Step 3: Cross multiply
125,750,638.32x = 188,615,151.81 × 76,553,722.49 - Step 4: Simplify right side
125,750,638.32x = 14,439,191,989,071,960 - Step 5: Solve for x
x = 14,439,191,989,071,960/125,750,638.32 - Step 6: Final answer
x = 114,824,005.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.