Finding the Fourth Proportional to 149,537,796.15, 224,537,641.43 and 81,513,348.15
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Solution
The fourth proportional to 149,537,796.15, 224,537,641.43 and 81,513,348.15 is: 122,395,912.00
Step by Step Solution
- Step 1: Write the proportion equation
149,537,796.15 : 224,537,641.43 = 81,513,348.15 : x - Step 2: Convert to fraction form
149,537,796.15/224,537,641.43 = 81,513,348.15/x - Step 3: Cross multiply
149,537,796.15x = 224,537,641.43 × 81,513,348.15 - Step 4: Simplify right side
149,537,796.15x = 18,302,814,938,255,888 - Step 5: Solve for x
x = 18,302,814,938,255,888/149,537,796.15 - Step 6: Final answer
x = 122,395,912.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.