Finding the Fourth Proportional to 153,645,114.06, 212,064,306.12 and 106,027,201.80
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Solution
The fourth proportional to 153,645,114.06, 212,064,306.12 and 106,027,201.80 is: 146,341,034.77
Step by Step Solution
- Step 1: Write the proportion equation
153,645,114.06 : 212,064,306.12 = 106,027,201.80 : x - Step 2: Convert to fraction form
153,645,114.06/212,064,306.12 = 106,027,201.80/x - Step 3: Cross multiply
153,645,114.06x = 212,064,306.12 × 106,027,201.80 - Step 4: Simplify right side
153,645,114.06x = 22,484,584,979,562,216 - Step 5: Solve for x
x = 22,484,584,979,562,216/153,645,114.06 - Step 6: Final answer
x = 146,341,034.77
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1.5x scale
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.