Finding the Fourth Proportional to 98,341,356.80, 147,624,009.60 and 57,974,585.60
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Solution
The fourth proportional to 98,341,356.80, 147,624,009.60 and 57,974,585.60 is: 87,027,889.99
Step by Step Solution
- Step 1: Write the proportion equation
98,341,356.80 : 147,624,009.60 = 57,974,585.60 : x - Step 2: Convert to fraction form
98,341,356.80/147,624,009.60 = 57,974,585.60/x - Step 3: Cross multiply
98,341,356.80x = 147,624,009.60 × 57,974,585.60 - Step 4: Simplify right side
98,341,356.80x = 8,558,440,781,170,422 - Step 5: Solve for x
x = 8,558,440,781,170,422/98,341,356.80 - Step 6: Final answer
x = 87,027,889.99
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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.