Finding the Fourth Proportional to 178,048,368.65, 245,708,191.40 and 98,664,756.14
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Solution
The fourth proportional to 178,048,368.65, 245,708,191.40 and 98,664,756.14 is: 136,158,162.92
Step by Step Solution
- Step 1: Write the proportion equation
178,048,368.65 : 245,708,191.40 = 98,664,756.14 : x - Step 2: Convert to fraction form
178,048,368.65/245,708,191.40 = 98,664,756.14/x - Step 3: Cross multiply
178,048,368.65x = 245,708,191.40 × 98,664,756.14 - Step 4: Simplify right side
178,048,368.65x = 24,242,738,786,202,392 - Step 5: Solve for x
x = 24,242,738,786,202,392/178,048,368.65 - Step 6: Final answer
x = 136,158,162.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.