Finding the Fourth Proportional to 130,165,348.14, 179,583,688.98 and 74,370,735.36
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Solution
The fourth proportional to 130,165,348.14, 179,583,688.98 and 74,370,735.36 is: 102,606,194.34
Step by Step Solution
- Step 1: Write the proportion equation
130,165,348.14 : 179,583,688.98 = 74,370,735.36 : x - Step 2: Convert to fraction form
130,165,348.14/179,583,688.98 = 74,370,735.36/x - Step 3: Cross multiply
130,165,348.14x = 179,583,688.98 × 74,370,735.36 - Step 4: Simplify right side
130,165,348.14x = 13,355,771,008,104,128 - Step 5: Solve for x
x = 13,355,771,008,104,128/130,165,348.14 - Step 6: Final answer
x = 102,606,194.34
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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.