Finding the Fourth Proportional to 102,335,420.16, 153,486,313.56 and 36,742,979.03
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Solution
The fourth proportional to 102,335,420.16, 153,486,313.56 and 36,742,979.03 is: 55,108,430.60
Step by Step Solution
- Step 1: Write the proportion equation
102,335,420.16 : 153,486,313.56 = 36,742,979.03 : x - Step 2: Convert to fraction form
102,335,420.16/153,486,313.56 = 36,742,979.03/x - Step 3: Cross multiply
102,335,420.16x = 153,486,313.56 × 36,742,979.03 - Step 4: Simplify right side
102,335,420.16x = 5,639,544,399,759,653 - Step 5: Solve for x
x = 5,639,544,399,759,653/102,335,420.16 - Step 6: Final answer
x = 55,108,430.60
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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.