Finding the Fourth Proportional to 249,512,829.68, 374,189,648.28 and 85,711,088.21
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Solution
The fourth proportional to 249,512,829.68, 374,189,648.28 and 85,711,088.21 is: 128,539,289.91
Step by Step Solution
- Step 1: Write the proportion equation
249,512,829.68 : 374,189,648.28 = 85,711,088.21 : x - Step 2: Convert to fraction form
249,512,829.68/374,189,648.28 = 85,711,088.21/x - Step 3: Cross multiply
249,512,829.68x = 374,189,648.28 × 85,711,088.21 - Step 4: Simplify right side
249,512,829.68x = 32,072,201,950,995,948 - Step 5: Solve for x
x = 32,072,201,950,995,948/249,512,829.68 - Step 6: Final answer
x = 128,539,289.91
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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.