Finding the Fourth Proportional to 309,363,288.36, 426,915,417.58 and 170,134,050.14
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Solution
The fourth proportional to 309,363,288.36, 426,915,417.58 and 170,134,050.14 is: 234,781,733.30
Step by Step Solution
- Step 1: Write the proportion equation
309,363,288.36 : 426,915,417.58 = 170,134,050.14 : x - Step 2: Convert to fraction form
309,363,288.36/426,915,417.58 = 170,134,050.14/x - Step 3: Cross multiply
309,363,288.36x = 426,915,417.58 × 170,134,050.14 - Step 4: Simplify right side
309,363,288.36x = 72,632,849,059,135,776 - Step 5: Solve for x
x = 72,632,849,059,135,776/309,363,288.36 - Step 6: Final answer
x = 234,781,733.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.