Finding the Fourth Proportional to 61,440,661.40, 84,787,854.35 and 33,938,589.65
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Solution
The fourth proportional to 61,440,661.40, 84,787,854.35 and 33,938,589.65 is: 46,835,110.99
Step by Step Solution
- Step 1: Write the proportion equation
61,440,661.40 : 84,787,854.35 = 33,938,589.65 : x - Step 2: Convert to fraction form
61,440,661.40/84,787,854.35 = 33,938,589.65/x - Step 3: Cross multiply
61,440,661.40x = 84,787,854.35 × 33,938,589.65 - Step 4: Simplify right side
61,440,661.40x = 2,877,580,195,494,985.50 - Step 5: Solve for x
x = 2,877,580,195,494,985.50/61,440,661.40 - Step 6: Final answer
x = 46,835,110.99
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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.