Finding the Fourth Proportional to 102,420,294.74, 141,352,918.03 and 67,167,746.50
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Solution
The fourth proportional to 102,420,294.74, 141,352,918.03 and 67,167,746.50 is: 92,699,957.46
Step by Step Solution
- Step 1: Write the proportion equation
102,420,294.74 : 141,352,918.03 = 67,167,746.50 : x - Step 2: Convert to fraction form
102,420,294.74/141,352,918.03 = 67,167,746.50/x - Step 3: Cross multiply
102,420,294.74x = 141,352,918.03 × 67,167,746.50 - Step 4: Simplify right side
102,420,294.74x = 9,494,356,965,274,320 - Step 5: Solve for x
x = 9,494,356,965,274,320/102,420,294.74 - Step 6: Final answer
x = 92,699,957.46
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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.