Finding the Fourth Proportional to 139,249,132.08, 208,873,469.70 and 37,013,170.92
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Solution
The fourth proportional to 139,249,132.08, 208,873,469.70 and 37,013,170.92 is: 55,519,695.66
Step by Step Solution
- Step 1: Write the proportion equation
139,249,132.08 : 208,873,469.70 = 37,013,170.92 : x - Step 2: Convert to fraction form
139,249,132.08/208,873,469.70 = 37,013,170.92/x - Step 3: Cross multiply
139,249,132.08x = 208,873,469.70 × 37,013,170.92 - Step 4: Simplify right side
139,249,132.08x = 7,731,069,434,659,541 - Step 5: Solve for x
x = 7,731,069,434,659,541/139,249,132.08 - Step 6: Final answer
x = 55,519,695.66
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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.