Finding the Fourth Proportional to 74,732,480.10, 112,098,720.15 and 62,828,201.70
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Solution
The fourth proportional to 74,732,480.10, 112,098,720.15 and 62,828,201.70 is: 94,242,302.55
Step by Step Solution
- Step 1: Write the proportion equation
74,732,480.10 : 112,098,720.15 = 62,828,201.70 : x - Step 2: Convert to fraction form
74,732,480.10/112,098,720.15 = 62,828,201.70/x - Step 3: Cross multiply
74,732,480.10x = 112,098,720.15 × 62,828,201.70 - Step 4: Simplify right side
74,732,480.10x = 7,042,960,999,896,055 - Step 5: Solve for x
x = 7,042,960,999,896,055/74,732,480.10 - Step 6: Final answer
x = 94,242,302.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.