Finding the Fourth Proportional to 249,823,137.04, 374,818,407.72 and 86,173,853.14
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Solution
The fourth proportional to 249,823,137.04, 374,818,407.72 and 86,173,853.14 is: 129,289,651.89
Step by Step Solution
- Step 1: Write the proportion equation
249,823,137.04 : 374,818,407.72 = 86,173,853.14 : x - Step 2: Convert to fraction form
249,823,137.04/374,818,407.72 = 86,173,853.14/x - Step 3: Cross multiply
249,823,137.04x = 374,818,407.72 × 86,173,853.14 - Step 4: Simplify right side
249,823,137.04x = 32,299,546,421,031,924 - Step 5: Solve for x
x = 32,299,546,421,031,924/249,823,137.04 - Step 6: Final answer
x = 129,289,651.89
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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.