Finding the Fourth Proportional to 199,657,588.14, 299,492,483.34 and 68,498,023.74
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Solution
The fourth proportional to 199,657,588.14, 299,492,483.34 and 68,498,023.74 is: 102,749,128.77
Step by Step Solution
- Step 1: Write the proportion equation
199,657,588.14 : 299,492,483.34 = 68,498,023.74 : x - Step 2: Convert to fraction form
199,657,588.14/299,492,483.34 = 68,498,023.74/x - Step 3: Cross multiply
199,657,588.14x = 299,492,483.34 × 68,498,023.74 - Step 4: Simplify right side
199,657,588.14x = 20,514,643,233,774,872 - Step 5: Solve for x
x = 20,514,643,233,774,872/199,657,588.14 - Step 6: Final answer
x = 102,749,128.77
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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.