Finding the Fourth Proportional to 287,237,798.40, 430,917,228.90 and 93,134,080.20
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Solution
The fourth proportional to 287,237,798.40, 430,917,228.90 and 93,134,080.20 is: 139,720,746.99
Step by Step Solution
- Step 1: Write the proportion equation
287,237,798.40 : 430,917,228.90 = 93,134,080.20 : x - Step 2: Convert to fraction form
287,237,798.40/430,917,228.90 = 93,134,080.20/x - Step 3: Cross multiply
287,237,798.40x = 430,917,228.90 × 93,134,080.20 - Step 4: Simplify right side
287,237,798.40x = 40,133,079,755,934,360 - Step 5: Solve for x
x = 40,133,079,755,934,360/287,237,798.40 - Step 6: Final answer
x = 139,720,746.99
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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.