Finding the Fourth Proportional to 190,804,552.35, 286,206,828.53 and 130,338,376.35
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Solution
The fourth proportional to 190,804,552.35, 286,206,828.53 and 130,338,376.35 is: 195,507,564.53
Step by Step Solution
- Step 1: Write the proportion equation
190,804,552.35 : 286,206,828.53 = 130,338,376.35 : x - Step 2: Convert to fraction form
190,804,552.35/286,206,828.53 = 130,338,376.35/x - Step 3: Cross multiply
190,804,552.35x = 286,206,828.53 × 130,338,376.35 - Step 4: Simplify right side
190,804,552.35x = 37,303,733,330,231,360 - Step 5: Solve for x
x = 37,303,733,330,231,360/190,804,552.35 - Step 6: Final answer
x = 195,507,564.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.