Finding the Fourth Proportional to 122,326,810.80, 183,490,216.20 and 67,907,252.40
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Solution
The fourth proportional to 122,326,810.80, 183,490,216.20 and 67,907,252.40 is: 101,860,878.60
Step by Step Solution
- Step 1: Write the proportion equation
122,326,810.80 : 183,490,216.20 = 67,907,252.40 : x - Step 2: Convert to fraction form
122,326,810.80/183,490,216.20 = 67,907,252.40/x - Step 3: Cross multiply
122,326,810.80x = 183,490,216.20 × 67,907,252.40 - Step 4: Simplify right side
122,326,810.80x = 12,460,316,424,423,970 - Step 5: Solve for x
x = 12,460,316,424,423,970/122,326,810.80 - Step 6: Final answer
x = 101,860,878.60
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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.