Finding the Fourth Proportional to 294,017,829.53, 441,038,915.55 and 86,756,236.07
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Solution
The fourth proportional to 294,017,829.53, 441,038,915.55 and 86,756,236.07 is: 130,137,945.49
Step by Step Solution
- Step 1: Write the proportion equation
294,017,829.53 : 441,038,915.55 = 86,756,236.07 : x - Step 2: Convert to fraction form
294,017,829.53/441,038,915.55 = 86,756,236.07/x - Step 3: Cross multiply
294,017,829.53x = 441,038,915.55 × 86,756,236.07 - Step 4: Simplify right side
294,017,829.53x = 38,262,876,271,307,400 - Step 5: Solve for x
x = 38,262,876,271,307,400/294,017,829.53 - Step 6: Final answer
x = 130,137,945.49
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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.