Finding the Fourth Proportional to 99,849,964.60, 149,774,946.90 and 88,512,556.60
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Solution
The fourth proportional to 99,849,964.60, 149,774,946.90 and 88,512,556.60 is: 132,768,834.90
Step by Step Solution
- Step 1: Write the proportion equation
99,849,964.60 : 149,774,946.90 = 88,512,556.60 : x - Step 2: Convert to fraction form
99,849,964.60/149,774,946.90 = 88,512,556.60/x - Step 3: Cross multiply
99,849,964.60x = 149,774,946.90 × 88,512,556.60 - Step 4: Simplify right side
99,849,964.60x = 13,256,963,464,748,244 - Step 5: Solve for x
x = 13,256,963,464,748,244/99,849,964.60 - Step 6: Final answer
x = 132,768,834.90
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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.