Finding the Fourth Proportional to 312,178,913.02, 468,297,154.18 and 102,090,688.67
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Solution
The fourth proportional to 312,178,913.02, 468,297,154.18 and 102,090,688.67 is: 153,145,446.34
Step by Step Solution
- Step 1: Write the proportion equation
312,178,913.02 : 468,297,154.18 = 102,090,688.67 : x - Step 2: Convert to fraction form
312,178,913.02/468,297,154.18 = 102,090,688.67/x - Step 3: Cross multiply
312,178,913.02x = 468,297,154.18 × 102,090,688.67 - Step 4: Simplify right side
312,178,913.02x = 47,808,778,973,735,720 - Step 5: Solve for x
x = 47,808,778,973,735,720/312,178,913.02 - Step 6: Final answer
x = 153,145,446.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.