Finding the Fourth Proportional to 139,970,267.20, 209,955,400.80 and 110,744,948.80
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Solution
The fourth proportional to 139,970,267.20, 209,955,400.80 and 110,744,948.80 is: 166,117,423.20
Step by Step Solution
- Step 1: Write the proportion equation
139,970,267.20 : 209,955,400.80 = 110,744,948.80 : x - Step 2: Convert to fraction form
139,970,267.20/209,955,400.80 = 110,744,948.80/x - Step 3: Cross multiply
139,970,267.20x = 209,955,400.80 × 110,744,948.80 - Step 4: Simplify right side
139,970,267.20x = 23,251,500,111,879,480 - Step 5: Solve for x
x = 23,251,500,111,879,480/139,970,267.20 - Step 6: Final answer
x = 166,117,423.20
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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.