Finding the Fourth Proportional to 93,299,785.20, 128,746,606.68 and 51,485,518.08
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Solution
The fourth proportional to 93,299,785.20, 128,746,606.68 and 51,485,518.08 is: 71,046,098.68
Step by Step Solution
- Step 1: Write the proportion equation
93,299,785.20 : 128,746,606.68 = 51,485,518.08 : x - Step 2: Convert to fraction form
93,299,785.20/128,746,606.68 = 51,485,518.08/x - Step 3: Cross multiply
93,299,785.20x = 128,746,606.68 × 51,485,518.08 - Step 4: Simplify right side
93,299,785.20x = 6,628,585,745,961,789 - Step 5: Solve for x
x = 6,628,585,745,961,789/93,299,785.20 - Step 6: Final answer
x = 71,046,098.68
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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.