Finding the Fourth Proportional to 61,804,648.58, 85,294,725.95 and 40,860,292.24
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Solution
The fourth proportional to 61,804,648.58, 85,294,725.95 and 40,860,292.24 is: 56,390,053.32
Step by Step Solution
- Step 1: Write the proportion equation
61,804,648.58 : 85,294,725.95 = 40,860,292.24 : x - Step 2: Convert to fraction form
61,804,648.58/85,294,725.95 = 40,860,292.24/x - Step 3: Cross multiply
61,804,648.58x = 85,294,725.95 × 40,860,292.24 - Step 4: Simplify right side
61,804,648.58x = 3,485,167,428,847,712 - Step 5: Solve for x
x = 3,485,167,428,847,712/61,804,648.58 - Step 6: Final answer
x = 56,390,053.32
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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.