Finding the Fourth Proportional to 98,753,402.80, 148,130,104.20 and 30,595,553.20
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Solution
The fourth proportional to 98,753,402.80, 148,130,104.20 and 30,595,553.20 is: 45,893,329.80
Step by Step Solution
- Step 1: Write the proportion equation
98,753,402.80 : 148,130,104.20 = 30,595,553.20 : x - Step 2: Convert to fraction form
98,753,402.80/148,130,104.20 = 30,595,553.20/x - Step 3: Cross multiply
98,753,402.80x = 148,130,104.20 × 30,595,553.20 - Step 4: Simplify right side
98,753,402.80x = 4,532,122,483,572,643 - Step 5: Solve for x
x = 4,532,122,483,572,643/98,753,402.80 - Step 6: Final answer
x = 45,893,329.80
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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.