Finding the Fourth Proportional to 91,497,925.76, 126,056,422.61 and 63,213,202.57
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Solution
The fourth proportional to 91,497,925.76, 126,056,422.61 and 63,213,202.57 is: 87,088,642.85
Step by Step Solution
- Step 1: Write the proportion equation
91,497,925.76 : 126,056,422.61 = 63,213,202.57 : x - Step 2: Convert to fraction form
91,497,925.76/126,056,422.61 = 63,213,202.57/x - Step 3: Cross multiply
91,497,925.76x = 126,056,422.61 × 63,213,202.57 - Step 4: Simplify right side
91,497,925.76x = 7,968,430,177,537,011 - Step 5: Solve for x
x = 7,968,430,177,537,011/91,497,925.76 - Step 6: Final answer
x = 87,088,642.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.