Finding the Fourth Proportional to 96,768,985.80, 145,153,478.70 and 32,943,577.80
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Solution
The fourth proportional to 96,768,985.80, 145,153,478.70 and 32,943,577.80 is: 49,415,366.70
Step by Step Solution
- Step 1: Write the proportion equation
96,768,985.80 : 145,153,478.70 = 32,943,577.80 : x - Step 2: Convert to fraction form
96,768,985.80/145,153,478.70 = 32,943,577.80/x - Step 3: Cross multiply
96,768,985.80x = 145,153,478.70 × 32,943,577.80 - Step 4: Simplify right side
96,768,985.80x = 4,781,874,918,494,093 - Step 5: Solve for x
x = 4,781,874,918,494,093/96,768,985.80 - Step 6: Final answer
x = 49,415,366.70
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1.5x scale
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.