Finding the Fourth Proportional to 249,407,451.40, 374,119,730.70 and 76,882,894.60
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Solution
The fourth proportional to 249,407,451.40, 374,119,730.70 and 76,882,894.60 is: 115,326,978.65
Step by Step Solution
- Step 1: Write the proportion equation
249,407,451.40 : 374,119,730.70 = 76,882,894.60 : x - Step 2: Convert to fraction form
249,407,451.40/374,119,730.70 = 76,882,894.60/x - Step 3: Cross multiply
249,407,451.40x = 374,119,730.70 × 76,882,894.60 - Step 4: Simplify right side
249,407,451.40x = 28,763,407,823,188,480 - Step 5: Solve for x
x = 28,763,407,823,188,480/249,407,451.40 - Step 6: Final answer
x = 115,326,978.65
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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.