Finding the Fourth Proportional to 83,993,808.79, 115,845,746.16 and 54,634,516.59
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Solution
The fourth proportional to 83,993,808.79, 115,845,746.16 and 54,634,516.59 is: 75,352,891.26
Step by Step Solution
- Step 1: Write the proportion equation
83,993,808.79 : 115,845,746.16 = 54,634,516.59 : x - Step 2: Convert to fraction form
83,993,808.79/115,845,746.16 = 54,634,516.59/x - Step 3: Cross multiply
83,993,808.79x = 115,845,746.16 × 54,634,516.59 - Step 4: Simplify right side
83,993,808.79x = 6,329,176,340,459,449 - Step 5: Solve for x
x = 6,329,176,340,459,449/83,993,808.79 - Step 6: Final answer
x = 75,352,891.26
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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.