Finding the Fourth Proportional to 188,637,295.29, 260,316,801.09 and 106,130,883.21
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Solution
The fourth proportional to 188,637,295.29, 260,316,801.09 and 106,130,883.21 is: 146,459,118.66
Step by Step Solution
- Step 1: Write the proportion equation
188,637,295.29 : 260,316,801.09 = 106,130,883.21 : x - Step 2: Convert to fraction form
188,637,295.29/260,316,801.09 = 106,130,883.21/x - Step 3: Cross multiply
188,637,295.29x = 260,316,801.09 × 106,130,883.21 - Step 4: Simplify right side
188,637,295.29x = 27,627,652,014,083,588 - Step 5: Solve for x
x = 27,627,652,014,083,588/188,637,295.29 - Step 6: Final answer
x = 146,459,118.66
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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.