Finding the Fourth Proportional to 107,804,619.60, 161,706,929.40 and 31,130,149.20
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Solution
The fourth proportional to 107,804,619.60, 161,706,929.40 and 31,130,149.20 is: 46,695,223.80
Step by Step Solution
- Step 1: Write the proportion equation
107,804,619.60 : 161,706,929.40 = 31,130,149.20 : x - Step 2: Convert to fraction form
107,804,619.60/161,706,929.40 = 31,130,149.20/x - Step 3: Cross multiply
107,804,619.60x = 161,706,929.40 × 31,130,149.20 - Step 4: Simplify right side
107,804,619.60x = 5,033,960,838,895,867 - Step 5: Solve for x
x = 5,033,960,838,895,867/107,804,619.60 - Step 6: Final answer
x = 46,695,223.80
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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.