Finding the Fourth Proportional to 68,750,189.16, 94,852,017.52 and 38,977,643.26
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Solution
The fourth proportional to 68,750,189.16, 94,852,017.52 and 38,977,643.26 is: 53,775,969.88
Step by Step Solution
- Step 1: Write the proportion equation
68,750,189.16 : 94,852,017.52 = 38,977,643.26 : x - Step 2: Convert to fraction form
68,750,189.16/94,852,017.52 = 38,977,643.26/x - Step 3: Cross multiply
68,750,189.16x = 94,852,017.52 × 38,977,643.26 - Step 4: Simplify right side
68,750,189.16x = 3,697,108,101,385,829.50 - Step 5: Solve for x
x = 3,697,108,101,385,829.50/68,750,189.16 - Step 6: Final answer
x = 53,775,969.88
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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.