Finding the Fourth Proportional to 149,075,201.80, 223,612,802.70 and 39,917,220.40
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Solution
The fourth proportional to 149,075,201.80, 223,612,802.70 and 39,917,220.40 is: 59,875,830.60
Step by Step Solution
- Step 1: Write the proportion equation
149,075,201.80 : 223,612,802.70 = 39,917,220.40 : x - Step 2: Convert to fraction form
149,075,201.80/223,612,802.70 = 39,917,220.40/x - Step 3: Cross multiply
149,075,201.80x = 223,612,802.70 × 39,917,220.40 - Step 4: Simplify right side
149,075,201.80x = 8,926,001,529,637,614 - Step 5: Solve for x
x = 8,926,001,529,637,614/149,075,201.80 - Step 6: Final answer
x = 59,875,830.60
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1.5x scale
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.