Finding the Fourth Proportional to 104,742,703.18, 144,549,415.04 and 58,332,957.06
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Solution
The fourth proportional to 104,742,703.18, 144,549,415.04 and 58,332,957.06 is: 80,501,978.32
Step by Step Solution
- Step 1: Write the proportion equation
104,742,703.18 : 144,549,415.04 = 58,332,957.06 : x - Step 2: Convert to fraction form
104,742,703.18/144,549,415.04 = 58,332,957.06/x - Step 3: Cross multiply
104,742,703.18x = 144,549,415.04 × 58,332,957.06 - Step 4: Simplify right side
104,742,703.18x = 8,431,994,820,576,438 - Step 5: Solve for x
x = 8,431,994,820,576,438/104,742,703.18 - Step 6: Final answer
x = 80,501,978.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.