Finding the Fourth Proportional to 238,742,920.53, 358,114,350.42 and 66,219,733.08
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Solution
The fourth proportional to 238,742,920.53, 358,114,350.42 and 66,219,733.08 is: 99,329,591.19
Step by Step Solution
- Step 1: Write the proportion equation
238,742,920.53 : 358,114,350.42 = 66,219,733.08 : x - Step 2: Convert to fraction form
238,742,920.53/358,114,350.42 = 66,219,733.08/x - Step 3: Cross multiply
238,742,920.53x = 358,114,350.42 × 66,219,733.08 - Step 4: Simplify right side
238,742,920.53x = 23,714,236,696,929,988 - Step 5: Solve for x
x = 23,714,236,696,929,988/238,742,920.53 - Step 6: Final answer
x = 99,329,591.19
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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.