Finding the Fourth Proportional to 70,774,609.21, 97,618,649.18 and 47,241,280.66
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Solution
The fourth proportional to 70,774,609.21, 97,618,649.18 and 47,241,280.66 is: 65,159,384.92
Step by Step Solution
- Step 1: Write the proportion equation
70,774,609.21 : 97,618,649.18 = 47,241,280.66 : x - Step 2: Convert to fraction form
70,774,609.21/97,618,649.18 = 47,241,280.66/x - Step 3: Cross multiply
70,774,609.21x = 97,618,649.18 × 47,241,280.66 - Step 4: Simplify right side
70,774,609.21x = 4,611,630,003,562,459 - Step 5: Solve for x
x = 4,611,630,003,562,459/70,774,609.21 - Step 6: Final answer
x = 65,159,384.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.