Finding the Fourth Proportional to 163,907,201.80, 245,860,802.70 and 156,348,929.80
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Solution
The fourth proportional to 163,907,201.80, 245,860,802.70 and 156,348,929.80 is: 234,523,394.70
Step by Step Solution
- Step 1: Write the proportion equation
163,907,201.80 : 245,860,802.70 = 156,348,929.80 : x - Step 2: Convert to fraction form
163,907,201.80/245,860,802.70 = 156,348,929.80/x - Step 3: Cross multiply
163,907,201.80x = 245,860,802.70 × 156,348,929.80 - Step 4: Simplify right side
163,907,201.80x = 38,440,073,381,913,952 - Step 5: Solve for x
x = 38,440,073,381,913,952/163,907,201.80 - Step 6: Final answer
x = 234,523,394.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.