Finding the Fourth Proportional to 112,368,420.40, 168,484,201.80 and 44,129,354.80
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Solution
The fourth proportional to 112,368,420.40, 168,484,201.80 and 44,129,354.80 is: 66,167,158.82
Step by Step Solution
- Step 1: Write the proportion equation
112,368,420.40 : 168,484,201.80 = 44,129,354.80 : x - Step 2: Convert to fraction form
112,368,420.40/168,484,201.80 = 44,129,354.80/x - Step 3: Cross multiply
112,368,420.40x = 168,484,201.80 × 44,129,354.80 - Step 4: Simplify right side
112,368,420.40x = 7,435,099,119,426,999 - Step 5: Solve for x
x = 7,435,099,119,426,999/112,368,420.40 - Step 6: Final answer
x = 66,167,158.82
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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.