Finding the Fourth Proportional to 61,804,645.09, 85,294,721.12 and 40,860,288.74
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Solution
The fourth proportional to 61,804,645.09, 85,294,721.12 and 40,860,288.74 is: 56,390,048.48
Step by Step Solution
- Step 1: Write the proportion equation
61,804,645.09 : 85,294,721.12 = 40,860,288.74 : x - Step 2: Convert to fraction form
61,804,645.09/85,294,721.12 = 40,860,288.74/x - Step 3: Cross multiply
61,804,645.09x = 85,294,721.12 × 40,860,288.74 - Step 4: Simplify right side
61,804,645.09x = 3,485,166,932,636,653.50 - Step 5: Solve for x
x = 3,485,166,932,636,653.50/61,804,645.09 - Step 6: Final answer
x = 56,390,048.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.