Finding the Fourth Proportional to 88,878,256.02, 122,652,173.35 and 49,720,686.68
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Solution
The fourth proportional to 88,878,256.02, 122,652,173.35 and 49,720,686.68 is: 68,614,648.34
Step by Step Solution
- Step 1: Write the proportion equation
88,878,256.02 : 122,652,173.35 = 49,720,686.68 : x - Step 2: Convert to fraction form
88,878,256.02/122,652,173.35 = 49,720,686.68/x - Step 3: Cross multiply
88,878,256.02x = 122,652,173.35 × 49,720,686.68 - Step 4: Simplify right side
88,878,256.02x = 6,098,350,281,507,792 - Step 5: Solve for x
x = 6,098,350,281,507,792/88,878,256.02 - Step 6: Final answer
x = 68,614,648.34
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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.