Finding the Fourth Proportional to 307,068,396.81, 461,011,210.83 and 161,604,110.08
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Solution
The fourth proportional to 307,068,396.81, 461,011,210.83 and 161,604,110.08 is: 242,621,211.55
Step by Step Solution
- Step 1: Write the proportion equation
307,068,396.81 : 461,011,210.83 = 161,604,110.08 : x - Step 2: Convert to fraction form
307,068,396.81/461,011,210.83 = 161,604,110.08/x - Step 3: Cross multiply
307,068,396.81x = 461,011,210.83 × 161,604,110.08 - Step 4: Simplify right side
307,068,396.81x = 74,501,306,463,085,408 - Step 5: Solve for x
x = 74,501,306,463,085,408/307,068,396.81 - Step 6: Final answer
x = 242,621,211.55
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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.