Finding the Fourth Proportional to 67,716,415.48, 93,454,416.54 and 38,352,971.62
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Solution
The fourth proportional to 67,716,415.48, 93,454,416.54 and 38,352,971.62 is: 52,930,364.96
Step by Step Solution
- Step 1: Write the proportion equation
67,716,415.48 : 93,454,416.54 = 38,352,971.62 : x - Step 2: Convert to fraction form
67,716,415.48/93,454,416.54 = 38,352,971.62/x - Step 3: Cross multiply
67,716,415.48x = 93,454,416.54 × 38,352,971.62 - Step 4: Simplify right side
67,716,415.48x = 3,584,254,585,130,513.50 - Step 5: Solve for x
x = 3,584,254,585,130,513.50/67,716,415.48 - Step 6: Final answer
x = 52,930,364.96
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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.