Finding the Fourth Proportional to 157,766,820.80, 236,650,231.20 and 106,806,027.20
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Solution
The fourth proportional to 157,766,820.80, 236,650,231.20 and 106,806,027.20 is: 160,209,040.80
Step by Step Solution
- Step 1: Write the proportion equation
157,766,820.80 : 236,650,231.20 = 106,806,027.20 : x - Step 2: Convert to fraction form
157,766,820.80/236,650,231.20 = 106,806,027.20/x - Step 3: Cross multiply
157,766,820.80x = 236,650,231.20 × 106,806,027.20 - Step 4: Simplify right side
157,766,820.80x = 25,275,671,030,433,488 - Step 5: Solve for x
x = 25,275,671,030,433,488/157,766,820.80 - Step 6: Final answer
x = 160,209,040.80
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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.