Finding the Fourth Proportional to 139,441,832.80, 208,920,352.96 and 97,854,507.84
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Solution
The fourth proportional to 139,441,832.80, 208,920,352.96 and 97,854,507.84 is: 146,611,658.11
Step by Step Solution
- Step 1: Write the proportion equation
139,441,832.80 : 208,920,352.96 = 97,854,507.84 : x - Step 2: Convert to fraction form
139,441,832.80/208,920,352.96 = 97,854,507.84/x - Step 3: Cross multiply
139,441,832.80x = 208,920,352.96 × 97,854,507.84 - Step 4: Simplify right side
139,441,832.80x = 20,443,798,316,659,888 - Step 5: Solve for x
x = 20,443,798,316,659,888/139,441,832.80 - Step 6: Final answer
x = 146,611,658.11
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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.