Finding the Fourth Proportional to 86,249,677.12, 129,377,142.06 and 33,725,251.30
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Solution
The fourth proportional to 86,249,677.12, 129,377,142.06 and 33,725,251.30 is: 50,588,903.91
Step by Step Solution
- Step 1: Write the proportion equation
86,249,677.12 : 129,377,142.06 = 33,725,251.30 : x - Step 2: Convert to fraction form
86,249,677.12/129,377,142.06 = 33,725,251.30/x - Step 3: Cross multiply
86,249,677.12x = 129,377,142.06 × 33,725,251.30 - Step 4: Simplify right side
86,249,677.12x = 4,363,276,628,449,299.50 - Step 5: Solve for x
x = 4,363,276,628,449,299.50/86,249,677.12 - Step 6: Final answer
x = 50,588,903.91
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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.