Finding the Fourth Proportional to 67,716,417.96, 93,454,419.99 and 38,352,974.13
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Solution
The fourth proportional to 67,716,417.96, 93,454,419.99 and 38,352,974.13 is: 52,930,368.44
Step by Step Solution
- Step 1: Write the proportion equation
67,716,417.96 : 93,454,419.99 = 38,352,974.13 : x - Step 2: Convert to fraction form
67,716,417.96/93,454,419.99 = 38,352,974.13/x - Step 3: Cross multiply
67,716,417.96x = 93,454,419.99 × 38,352,974.13 - Step 4: Simplify right side
67,716,417.96x = 3,584,254,952,210,625 - Step 5: Solve for x
x = 3,584,254,952,210,625/67,716,417.96 - Step 6: Final answer
x = 52,930,368.44
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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.