Finding the Fourth Proportional to 90,217,905.66, 124,500,829.95 and 48,964,798.04
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Solution
The fourth proportional to 90,217,905.66, 124,500,829.95 and 48,964,798.04 is: 67,571,486.49
Step by Step Solution
- Step 1: Write the proportion equation
90,217,905.66 : 124,500,829.95 = 48,964,798.04 : x - Step 2: Convert to fraction form
90,217,905.66/124,500,829.95 = 48,964,798.04/x - Step 3: Cross multiply
90,217,905.66x = 124,500,829.95 × 48,964,798.04 - Step 4: Simplify right side
90,217,905.66x = 6,096,157,993,691,629 - Step 5: Solve for x
x = 6,096,157,993,691,629/90,217,905.66 - Step 6: Final answer
x = 67,571,486.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.