Finding the Fourth Proportional to 172,440,482.36, 258,658,287.30 and 80,272,669.74
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Solution
The fourth proportional to 172,440,482.36, 258,658,287.30 and 80,272,669.74 is: 120,407,870.52
Step by Step Solution
- Step 1: Write the proportion equation
172,440,482.36 : 258,658,287.30 = 80,272,669.74 : x - Step 2: Convert to fraction form
172,440,482.36/258,658,287.30 = 80,272,669.74/x - Step 3: Cross multiply
172,440,482.36x = 258,658,287.30 × 80,272,669.74 - Step 4: Simplify right side
172,440,482.36x = 20,763,191,271,946,936 - Step 5: Solve for x
x = 20,763,191,271,946,936/172,440,482.36 - Step 6: Final answer
x = 120,407,870.52
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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.