Finding the Fourth Proportional to 98,759,394.69, 136,335,224.13 and 65,774,535.81
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Solution
The fourth proportional to 98,759,394.69, 136,335,224.13 and 65,774,535.81 is: 90,800,334.59
Step by Step Solution
- Step 1: Write the proportion equation
98,759,394.69 : 136,335,224.13 = 65,774,535.81 : x - Step 2: Convert to fraction form
98,759,394.69/136,335,224.13 = 65,774,535.81/x - Step 3: Cross multiply
98,759,394.69x = 136,335,224.13 × 65,774,535.81 - Step 4: Simplify right side
98,759,394.69x = 8,967,386,081,703,061 - Step 5: Solve for x
x = 8,967,386,081,703,061/98,759,394.69 - Step 6: Final answer
x = 90,800,334.59
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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.