Finding the Fourth Proportional to 217,903,959.66, 326,822,246.78 and 79,697,247.05
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Solution
The fourth proportional to 217,903,959.66, 326,822,246.78 and 79,697,247.05 is: 119,533,547.63
Step by Step Solution
- Step 1: Write the proportion equation
217,903,959.66 : 326,822,246.78 = 79,697,247.05 : x - Step 2: Convert to fraction form
217,903,959.66/326,822,246.78 = 79,697,247.05/x - Step 3: Cross multiply
217,903,959.66x = 326,822,246.78 × 79,697,247.05 - Step 4: Simplify right side
217,903,959.66x = 26,046,833,341,029,128 - Step 5: Solve for x
x = 26,046,833,341,029,128/217,903,959.66 - Step 6: Final answer
x = 119,533,547.63
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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.