Finding the Fourth Proportional to 84,155,875.58, 116,130,228.75 and 46,988,509.05
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Solution
The fourth proportional to 84,155,875.58, 116,130,228.75 and 46,988,509.05 is: 64,841,417.99
Step by Step Solution
- Step 1: Write the proportion equation
84,155,875.58 : 116,130,228.75 = 46,988,509.05 : x - Step 2: Convert to fraction form
84,155,875.58/116,130,228.75 = 46,988,509.05/x - Step 3: Cross multiply
84,155,875.58x = 116,130,228.75 × 46,988,509.05 - Step 4: Simplify right side
84,155,875.58x = 5,456,786,304,729,983 - Step 5: Solve for x
x = 5,456,786,304,729,983/84,155,875.58 - Step 6: Final answer
x = 64,841,417.99
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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.