Finding the Fourth Proportional to 124,812,189.84, 172,239,885.36 and 69,808,046.34
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Solution
The fourth proportional to 124,812,189.84, 172,239,885.36 and 69,808,046.34 is: 96,334,580.09
Step by Step Solution
- Step 1: Write the proportion equation
124,812,189.84 : 172,239,885.36 = 69,808,046.34 : x - Step 2: Convert to fraction form
124,812,189.84/172,239,885.36 = 69,808,046.34/x - Step 3: Cross multiply
124,812,189.84x = 172,239,885.36 × 69,808,046.34 - Step 4: Simplify right side
124,812,189.84x = 12,023,729,898,807,170 - Step 5: Solve for x
x = 12,023,729,898,807,170/124,812,189.84 - Step 6: Final answer
x = 96,334,580.09
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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.