Finding the Fourth Proportional to 83,799,893.19, 115,696,985.00 and 57,382,454.91
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Solution
The fourth proportional to 83,799,893.19, 115,696,985.00 and 57,382,454.91 is: 79,224,170.48
Step by Step Solution
- Step 1: Write the proportion equation
83,799,893.19 : 115,696,985.00 = 57,382,454.91 : x - Step 2: Convert to fraction form
83,799,893.19/115,696,985.00 = 57,382,454.91/x - Step 3: Cross multiply
83,799,893.19x = 115,696,985.00 × 57,382,454.91 - Step 4: Simplify right side
83,799,893.19x = 6,638,977,024,698,534 - Step 5: Solve for x
x = 6,638,977,024,698,534/83,799,893.19 - Step 6: Final answer
x = 79,224,170.48
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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.