Finding the Fourth Proportional to 201,438,237.80, 302,157,356.70 and 104,361,681.80
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Solution
The fourth proportional to 201,438,237.80, 302,157,356.70 and 104,361,681.80 is: 156,542,522.70
Step by Step Solution
- Step 1: Write the proportion equation
201,438,237.80 : 302,157,356.70 = 104,361,681.80 : x - Step 2: Convert to fraction form
201,438,237.80/302,157,356.70 = 104,361,681.80/x - Step 3: Cross multiply
201,438,237.80x = 302,157,356.70 × 104,361,681.80 - Step 4: Simplify right side
201,438,237.80x = 31,533,649,913,454,496 - Step 5: Solve for x
x = 31,533,649,913,454,496/201,438,237.80 - Step 6: Final answer
x = 156,542,522.70
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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.